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• #1 Tachycardia – Symptoms and causes – Mayo Clinic

  https://www.mayoclinic.org/diseases-conditions/tachycardia/symptoms-causes/syc-20355127

  In tachycardia, an irregular electrical signal, called an impulse, starts in the upper or lower chambers of the heart. This causes the heart to beat faster. […] Tachycardia may not cause any symptoms or complications. But sometimes it’s a warning of a medical condition that needs attention. Some forms of tachycardia can lead to serious health problems if left untreated. Such problems may include heart failure, stroke or sudden cardiac death. […] Some people with tachycardia have no symptoms. The fast heartbeat may be discovered when a physical exam or heart tests are done for another reason. […] In general, tachycardia may cause these symptoms: Racing, pounding heartbeat or flopping in the chest, called palpitations. Chest pain. Fainting. Lightheadedness. Rapid pulse. Shortness of breath.

• #2 Tachycardia (High Heart Rate): Symptoms & Treatment

  https://my.clevelandclinic.org/health/diseases/22108-tachycardia

  Tachycardia is an abnormal heart rhythm with a fast heart rate of more than 100 beats per minute at rest. […] Some people with tachycardia dont have symptoms, while others may have mild to severe symptoms. Tachycardia symptoms may include: Fast heart rate, Shortness of breath (dyspnea), Chest pain, Heart palpitations, Dizziness, Lightheadedness, Fainting, Nausea, Fatigue. […] Without treatment, certain types of tachycardia can cause your kidneys, liver or heart to fail. Tachycardia also can lead to: Blood clots, Stroke, Heart attack, Cardiomyopathy (weak heart muscle), Cardiac arrest. […] Your experience will depend on which type of tachycardia you have. You may have harmless symptoms, life-threatening symptoms (from ventricular tachycardia or fibrillation) or something in between. Medicines and other treatments can help you manage your high heart rate.

• #3 Tachycardia > Fact Sheets > Yale Medicine

  https://www.yalemedicine.org/conditions/tachycardia

  A heart rate that is faster than a hundred beats per minute. […] Symptoms may include palpitations, fainting sensation, lightheadedness, loss of consciousness, dizziness, weakness, shortness of breath, decreased exercise capacity. […] When people dont get the proper blood flow throughout their body, they may experience the symptoms, such as palpitations, fainting sensation, lightheadedness, loss of consciousness, dizziness, weakness, and shortness of breath. […] Some people with tachycardia do not have any symptoms. However, people with tachycardia who do have symptoms may experience: fainting, palpitations, lightheadedness, loss of consciousness, dizziness, weakness, shortness of breath, anxiety, decrease in exercise capacity, breaking out in a cold sweat, chest pain, cardiac arrest, in some instances. […] Untreated tachycardia may cause considerable symptoms and lead to a reduction in quality of life. Some types of tachycardia can be life-threatening or lead to stroke. However, once diagnosed, tachycardia is a very treatable condition.

• #4 Tachycardia: Fast Heart Rate | American Heart Association

  https://www.heart.org/en/health-topics/arrhythmia/about-arrhythmia/tachycardia–fast-heart-rate

  Tachycardia is when the heart beats too fast, at a rate of more than 100 beats per minute, when at rest. […] Symptoms of SVT/PSVT include very fast (rapid) heartbeat that may come and go, a fluttering or pounding in the chest (palpitations), a bounding pulse sensation in the neck, weakness or feeling very tired (fatigue), chest discomfort, shortness of breath, lightheadedness or dizziness, sweating, fainting (syncope) or near fainting, and nausea. […] The disruption results in a faster-than-normal heart rate. This rapid heartbeat keeps the heart’s chambers from filling completely between contractions, which reduce blood flow to the rest of the body. […] Symptoms for VT vary. Common symptoms include dizziness, palpitations, shortness of breath, nausea, lightheadedness, fainting (syncope), cardiac arrest, in extreme cases, and chest pain.

• #5 Tachycardia: Symptoms & Treatment | Mass General Brigham

  https://www.massgeneralbrigham.org/en/patient-care/services-and-specialties/heart/conditions/tachycardia

  Tachycardia is a type of heart arrhythmia when the heart rate is faster than 100 beats per minute (bpm). […] A rapid heart rate can prevent the heart from adequately filling up with blood in between beats. This becomes dangerous if the heart cannot supply the blood with the oxygen it requires. […] Tachycardia can be mild or the result of something more life-threatening. […] Symptoms of a rapid heartbeat can include: Heart palpitations, pounding, or racing heartbeat, Chest pain, Fainting, Sweating, Lightheadedness, Rapid pulse, Shortness of breath, Fatiguing quickly during exercise. […] Complications of tachycardia could include fainting, stroke caused by a blood clot, low blood pressure, heart failure, and cardiac arrest. […] Some types of tachycardia are extremely severe and, if left untreated, could lead to significant health complications such as heart failure, stroke, or even death.

• #6 Tachycardia | Causes and Symptoms | MedStar Health

  https://www.medstarhealth.org/services/tachycardia

  A normal heart beats at 60 to 100 beats per minute. If you have tachycardia, your heart beats more than 100 beats per minute while at rest. […] Our patients describe tachycardia as feeling like their heart is racing. Because the heart is not operating efficiently and depriving the body of oxygen, the condition also can cause lightheadedness, weakness, dizziness, chest pain, confusion, and even fainting. […] Your individualized treatment plan will depend on the type and severity of your tachycardia. It may include lifestyle modifications, medication, or more advanced treatments.

• #7 Tachycardia: Symptoms, Causes, Diagnosis, Treatment

  https://www.webmd.com/heart-disease/atrial-fibrillation/what-are-the-types-of-tachycardia

  Tachycardia Symptoms […] No matter which type of tachycardia you have, you may feel: […] Dizziness […] Lightheadedness […] Shortness of breath […] Chest pain […] Heart palpitations, a flopping feeling in your chest […] In extreme cases, you could become unconscious or go into cardiac arrest. […] But sometimes, a superfast heart rate causes no symptoms at all. […] […] […] Tachycardia has many causes. […] […] […] Tachycardia during pregnancy is common. When you’re pregnant, your body experiences all kinds of changes, including some that are heart-related. Doctors have long used the guideline that pregnancy can increase your resting heart rate 10 to 20 beats per minute. If your heartbeat is elevated during pregnancy, your doctor may want to conduct tests. Those might include blood tests, or an EKG. You may not need any treatment at all. […] […] […] Yes. If you have the ventricular type, you could experience cardiac arrest. That can be fatal if you don’t get the right treatment immediately. Tachycardia also can raise your risk of stroke or blood clots.

• #8 Tachycardia – Symptoms and causes – Mayo Clinic

  https://www.mayoclinic.org/diseases-conditions/tachycardia/symptoms-causes/syc-20355127

  Many things can cause tachycardia. If you feel like your heart is beating too fast, make an appointment for a health checkup. […] A type of tachycardia called ventricular fibrillation is an emergency that requires immediate medical attention. […] When the heart beats too fast, it may not pump enough blood to the body. As a result, the organs and tissues may not get enough oxygen. […] Complications of tachycardia depend on: The type of tachycardia. How fast the heart is beating. How long the rapid heart rate lasts. Whether there are other heart conditions. […] Potential complications of tachycardia may include: Blood clots that can cause a heart attack or stroke. Blood-thinning medicine may be used to lower this risk. Frequent fainting or unconsciousness. Heart failure. Sudden cardiac death. This is usually only associated with ventricular tachycardia or ventricular fibrillation.

• #9 Tachycardias and Fast Heart Rhythms: Types, Symptoms, and More

  https://www.verywellhealth.com/tachycardias-the-fast-heart-rhythms-1746270

  Tachycardia is the name used to describe a rapid heart rate. Officially, any heart rate that is faster than 100 beats per minute is deemed to be tachycardia whether or not the tachycardia is considered to be normal or not. […] Sinus tachycardia is when the sinus node is producing electrical signals more than 100 times per minute. […] SVT causes: Significant palpitations, Anxiety, Lightheadedness or dizziness, Weakness, Shortness of breath (sometimes). […] Despite how badly SVT can make you feel, it almost never poses a significant risk to life. […] Ventricular tachycardia is another potentially dangerous arrhythmia originating in the ventricles. While in some people ventricular tachycardia produces only minimal symptoms, more often it produces: Significant palpitations, Severe lightheadedness or loss of consciousness, Sudden death.

• #10 Tachycardia Causes, Symptoms, and Treatments

  https://www.upmc.com/services/heart-vascular/conditions/tachycardia

  Tachycardia is a type of heart rhythm disorder that causes an abnormally fast heartbeat of more than 100 beats per minute at rest. […] Although some types of tachycardia can be mild, other types can be life-threatening. […] Tachycardia symptoms may include: dizziness, fainting, fluttering in your chest, light-headedness. […] Although some types of tachycardia are mild and do not cause noticeable symptoms, other types can be deadly. […] Ventricular tachycardia can be life-threatening and requires immediate medical attention. […] Tachycardia is a common, treatable condition. With proper treatment, most people with tachycardia are able to control symptoms and live a normal, active life.

• #11 Tachycardia: Symptoms, Causes, Diagnosis, and Treatment

  https://www.health.com/tachycardia-8659086

  Tachycardia is the medical term for an elevated resting heart rate, which can occur when your heart beats more than 100 times per minute. Several factors can cause your heart to beat too fastanxiety, underlying health conditions, problems with the heart’s electrical system, and more. […] While the heart will often return to a normal heart rate on its own, tachycardia may require treatment if your rapid heart rate occurs due to another medical condition. […] Each form of tachycardia can cause different symptoms. Most people with sinus tachycardia have little to no symptoms, but some experience heart palpitations, chest pain, and dizziness. Supraventricular and ventricular tachycardia, on the other hand, do cause more symptoms. […] Symptoms of supraventricular and ventricular tachycardia include: Rapid heartbeat, Chest pain, Heart palpitations, Fatigue, Lightheadedness or syncope (fainting), Shortness of breath, Sweating, Nausea, Hypotension (low blood pressure).

• #12 Sinus Tachycardia: Causes, Symptoms, and Treatment

  https://www.healthline.com/health/sinus-tachycardia

  Sinus tachycardia refers to a faster-than-usual heart rhythm. It may occur with exercise, anxiety, or stress, but it can also signal an underlying health condition. […] However, these electrical impulses are sometimes sent out faster than a healthy rhythm, causing sinus tachycardia and a resulting heart rate of over 100 beats per minute. This is usually a temporary response and may only be concerning if tachycardia persists during times of rest. […] In most cases, sinus tachycardia is asymptomatic (you dont feel any symptoms). However, its possible to experience the following symptoms related to this condition: heart palpitations, chest pain, dizziness or lightheadedness, fainting, breathing difficulties. […] Sinus tachycardia is an increase in your heart rate. In many cases, its a sign of something simple, such as vigorous exercise or having too much caffeine. Such cases are usually temporary and may resolve on their own. […] If you have IST, a doctor will work closely with you to determine a treatment plan. Treatment will likely involve a combination of medications and lifestyle changes. The treatment combination may help prevent possible complications, such as tachycardia-induced cardiomyopathy.

• #13 Tachycardia: Symptoms, treatment, and more

  https://www.medicalnewstoday.com/articles/175241

  Tachycardia refers to a fast resting heart rate, usually over 100 beats per minute (bpm) in adults. Some people experience no symptoms, but others may notice palpitations and lightheadedness, among other changes. […] Depending on the type and what is causing tachycardia, the following symptoms may occur: a fast pulse, chest pain, confusion, dizziness, low blood pressure, lightheadedness, heart palpitations, shortness of breath, sudden weakness, fainting or a loss of consciousness, cardiac arrest, in some cases. […] However, many people have no symptoms and only find out that they have tachycardia during a routine examination. […] Some tachycardia, such as sinus tachycardia, are a normal response and not an arrhythmia. In this case, the doctor will treat the underlying condition rather than the tachycardia. However, if tachycardia is an arrhythmia or abnormal heart rhythm, a doctor will treat the tachycardia itself with medication, ablation, or surgery. […] It is possible to have tachycardia, such as atrial fibrillation, without symptoms. But it can lead to complications, such as a heart attack or stroke.

• #14 Supraventricular tachycardia – Symptoms and causes – Mayo Clinic

  https://www.mayoclinic.org/diseases-conditions/supraventricular-tachycardia/symptoms-causes/syc-20355243

  The main symptom of supraventricular tachycardia (SVT) is a very fast heartbeat that may last for a few minutes to a few days. The heart beats 100 or more times a minute. Usually during SVT, the heart beats 150 to 220 times a minute. The fast heartbeat may come and go suddenly. […] Symptoms of supraventricular tachycardia may include: Pounding or fluttering feelings in the chest, called palpitations. A pounding sensation in the neck. Chest pain. Fainting or almost fainting. Lightheadedness or dizziness. Shortness of breath. Sweating. Weakness or extreme tiredness. […] Some people with SVT do not notice symptoms. […] In SVT, a change in heart signaling causes the heartbeat to start too early in the heart’s upper chambers. When this happens, the heartbeat speeds up. The heart can’t fill with blood properly. Symptoms such as lightheadedness or dizziness can occur.

• #15 Supraventricular tachycardia | NHS inform

  https://www.nhsinform.scot/illnesses-and-conditions/cardiovascular-disease/heart-disease/supraventricular-tachycardia/

  Supraventricular tachycardia is a condition where the heartbeat is abnormally fast. […] If you have supraventricular tachycardia, youll usually feel your heart racing in your chest or throat. The heart rate is usually between 140 to 180 beats per minute but can be as high as 250. A normal heartbeat should be 60 to 100 beats per minute at rest. During a supraventricular tachycardia, the heart muscle contracts very fast. This means that it cannot relax properly between contractions to fill with blood. This reduces the amount of blood being pumped around the body. Therefore, you may also feel: chest pain, dizziness, light-headedness, fatigue (tiredness), breathlessness. On rare occasions, you may faint because of a drop in blood pressure. These symptoms vary in length and frequency.

• #16 Supraventricular tachycardia: Signs, symptoms and treatments | Nebraska Medicine Omaha, NE

  https://www.nebraskamed.com/health/conditions-and-services/heart-and-vascular/supraventricular-tachycardia-signs-symptoms-and

  SVT symptoms will vary depending on the type of arrhythmia a patient has. For those who do experience symptoms, the most common are: Heart palpitations, Shortness of breath, Fatigue, Fluttering sensation in the chest, Pounding heartbeat, Feeling that their heart skips a beat […] More severe symptoms of SVT may include: Extremely elevated heartbeat, Chest pain, Dizziness, Sweating, Losing consciousness, Blood pressure dropping. Most of the time, SVT is not life-threatening. However, if you experience symptoms that feel unsafe, seek immediate medical attention by calling 911 or visiting the nearest emergency department.

• #17 Supraventricular Tachycardia (SVT) Symptoms | Stanford Health Care

  https://stanfordhealthcare.org/medical-conditions/blood-heart-circulation/supraventricular-tachycardia/symptoms.html

  Symptoms of SVT include: A racing or fluttering feeling in the chest (palpitations). […] Chest discomfort, such as pressure, tightness, or pain. […] Fainting, or feeling lightheaded or dizzy. […] Shortness of breath. […] A pounding pulse. You may feel or see your pulse beating, especially at your neck, where large blood vessels are close to the skin. […] Sweating. […] Some people with SVT have no symptoms.

• #18 Supraventricular Tachycardia (SVT): Symptoms & Warning Signs

  https://www.webmd.com/heart-disease/atrial-fibrillation/symptoms-supraventricular-tachycardia

  Rapid Heartbeat […] The symptoms usually last an average of 10 to 15 minutes. You may feel a rapid heartbeat, or palpitations, for just a few seconds or for several hours, though thats rare. […] They usually come up suddenly and go away just as fast. It is not dangerous but can be concerning if they happen often or last for long. It is treatable and does not lead to a heart attack. […] You may also feel tightness in your chest. Pain from SVT should go away quickly. […] You may also find it hard to catch your breath, especially if you have coronary heart disease as well. […] You may feel wrung out after your heart slows back down to normal. How long that lasts can vary with how long your heart was beating really fast. […] The symptoms are usually not life-threatening. But you may not always be able to tell the difference between a harmless fluttering of your heart and something more serious. Call a doctor right away if: […] If it happens too often and for too long, your heart muscle can weaken. Make sure you see a doctor before it gets to that point.

• #19 Supraventricular Tachycardia (SVT): Symptoms and Treatment

  https://patient.info/heart-health/palpitations-leaflet/supraventricular-tachycardia

  Supraventricular tachycardia (SVT) causes an abnormally fast heart rate. It can cause symptoms such as palpitations, dizziness and shortness of breath. […] Symptoms last as long as the episode of SVT lasts. This may be seconds, minutes, hours or, rarely, longer. Symptoms start quickly when the SVT begins, and stop rapidly when it ends. Possible symptoms include the following: […] Very fast heart rate. Your heart rate rises to 140-200 beats per minute (bpm) or sometimes faster. (A normal heart rate is 60-100 bpm.) […] Dizziness, or feeling light-headed. […] Shortness of breath. […] You may look pale. […] Chest discomfort. You may feel mild chest discomfort. […] Angina. If you have angina then it may be triggered by an episode of SVT. […] The time between episodes of SVT can vary greatly. How often they happen varies between people. Some people have several very short episodes of SVT daily, whilst others have one episode every few years. […] Most people who have a first episode of SVT will seek a medical professional, as the symptoms can be distressing. They will then usually be referred to a heart specialist to decide if they need further investigations and treatment.

• #20 Ventricular Tachycardia (VT) | Cedars-Sinai

  https://www.cedars-sinai.org/health-library/diseases-and-conditions/v/ventricular-tachycardia-1.html

  Ventricular tachycardia (VT) is a fast, abnormal heart rhythm (arrhythmia). It starts in your hearts lower chambers. These are called ventricles. It’s defined as three or more heartbeats in a row, at a rate of more than 100 beats a minute. VT can be deadly if it lasts for more than a few seconds at a time. Sustained VT is when it lasts for more than 30 seconds. It can also be linked to a blood flow issue, such as abnormal blood pressure. Nonsustained VT lasts less than 30 seconds. […] With rapid heartbeat, your heart can’t fill with blood between beats. This affects blood flow to the rest of your body. […] VT symptoms include: Fast heartbeat, or a fluttering feeling in the chest (palpitations). Dizziness. Lightheadedness. Chest pain. Neck tightness. Shortness of breath. Fainting. Cardiac arrest. In some cases, there are no symptoms at all.

• #21 Ventricular tachycardia: MedlinePlus Medical EncyclopediaLock

  https://medlineplus.gov/ency/article/000187.htm

  Ventricular tachycardia (VT) is a rapid heartbeat that starts in the lower chambers of the heart (ventricles). […] VT is a pulse rate of more than 100 beats per minute, with at least 3 abnormal rapid heartbeats in a row. […] You may have symptoms if the heart rate during a VT episode is very fast or lasts longer than a few seconds. Symptoms may include: Chest discomfort (angina), Fainting (syncope), Lightheadedness or dizziness, Sensation of feeling the heart beat (palpitations), Shortness of breath. […] Symptoms may start and stop suddenly. In some cases, there are no symptoms. […] Ventricular tachycardia may not cause symptoms in some people. However, it can be deadly. It is a major cause of sudden cardiac death. […] Go to the emergency room or call 911 or the local emergency number if you have a rapid, irregular pulse, faint, or have chest pain. All of these may be signs of ventricular tachycardia.

• #22 Causes, symptoms and treatment for ventricular tachycardia | Norton Healthcare

  https://nortonhealthcare.com/services-and-conditions/heart-and-vascular-care/services/ventricular-tachycardia/

  A healthy heart at rest beats about 60 to 100 times a minute. V-tach can make the heart beat very fast – close to 170 beats a minute. A heart rate of 170 can cause you to feel lightheaded or even cause you to pass out. […] If an episode of V-tach continues for more than 30 seconds (called sustained V-tach), you can go into sudden cardiac arrest. This is when the heart stops beating, then breathing stops. Survival is possible with immediate medical attention. […] Left untreated, V-tach can lead to frequent fainting, heart failure or cardiac arrest. Patients with V-tach are usually at a higher risk of heart conditions, which can be fatal. Irregular heart rhythms like V-tach or ventricular fibrillation – if left untreated – can have a high risk of death of about 20% within two years. […] Typical V-tach symptoms include: A heart rate of 170 beats per minute or more, Chest pain or a feeling of pressure in the chest, Dizziness or lightheadedness, Shortness of breath or hard time catching your breath, Fainting or loss of consciousness.

• #23 Ventricular tachycardia: what is it, symptoms and treatment | Top Doctors

  https://www.topdoctors.co.uk/medical-dictionary/ventricular-tachycardia

  Ventricular tachycardia (V-tach or VT) is a type of arrhythmia (heart rhythm disorder) in which abnormal electrical signals in the ventricles (the lower chambers of the heart) cause them to beat unusually quickly and out of sync with the contractions of the atria (upper chambers). […] This acceleration and lack of coordination can mean that the chambers of the heart dont have enough time to fill completely with blood before pumping it on, which results in not enough blood being pumped around the body, and therefore not enough oxygen. This can bring on a number of symptoms (see below). […] The most common symptoms of ventricular tachycardia are: Dizziness/light-headedness, Shortness of breath (dyspnoea), Palpitations, Chest pain, Anxiety, Racing pulse, Laboured breathing, Loss of consciousness (syncope), Low blood pressure (hypotension). […] In the most severe cases, ventricular tachycardia attacks can evolve into ventricular fibrillation, in which coordination between the ventricles is lost as they contact very rapidly. This can cause cardiac arrest, which is fatal if not treated immediately.

• #24 Supraventricular Tachycardia (SVT) in Children | Children’s Hospital of Philadelphia

  https://www.chop.edu/conditions-diseases/supraventricular-tachycardia-svt

  Supraventricular tachycardia (SVT) is an arrhythmia (abnormal heartbeat) or rapid heartbeat. […] Symptoms of supraventricular tachycardia in children may include: Heart palpitations — an uncomfortable sensation caused by the heart beating hard and fast, Rapid heartbeats that occur suddenly and randomly, Chest pain, Dizziness, Syncope (fainting or collapsing), which rarely happens with SVT, Symptoms of heart failure (fatigue, shortness of breath, poor feeding) may develop if an episode lasts more than 24 hours before the patient receives medical care. This is especially true in newborns and infants who cannot communicate the sensation of palpitations or rapid heart rates. Symptoms of SVT in babies are subtle and often involve poor feeding, vomiting, or a general decrease in the baby’s activity level and alertness.

• #25 Tachycardia – Pediatric Cardiology Associates of Houston

  https://www.kidsheartshouston.com/answers/21881-tachycardia

  Because sinus tachycardia is usually a normal physiologic response, most children with sinus tachycardia have no symptoms whatsoever. […] Children with abnormal tachycardias often feel a sensation of palpitations, or a racing heartbeat. If the heart rate is fast enough, a child may feel dizzy or lightheaded. Rarely syncope or loss of consciousness may occur.

• #26 Fast Heart Rhythms in Children (Tachyarrhythmia) | Symptoms & Treatment

  https://www.cincinnatichildrens.org/patients/child/encyclopedia/diseases/arrhythmia

  The normal heart rate varies with age and activity, decreasing as children get older. For each age group, normal ranges have been established. If the heart rate exceeds this limit, a fast heart rhythm (tachycardia) exists. […] In older children and adolescents, the fast heart rate is often felt as palpitations. They recognize that a fast heart rate is occurring at an inappropriate time such as while at rest, doing homework, or eating dinner. Fast arrhythmias may also cause children or adolescents to pass out (syncope) or, in very rare circumstances, cause a cardiac arrest. […] Younger children may have difficulty describing this sensation and may complain of chest pain or have a general feeling of illness. […] In infants, fast arrhythmias are more difficult to detect as they will not complain of symptoms. Some infants may develop poor feeding, irritability, or pallor (unnatural paleness) associated with prolonged fast heart rhythm.

• #27 Supraventricular Tachycardia (SVT)

  https://www.nationwidechildrens.org/conditions/supraventricular-tachycardia

  Supraventricular tachycardia (SVT) is a very fast heart rhythm that does not follow the regular pathway from the atria to the ventricles. It can cause a heart to beat at rates of 180 to 220 beats per minute in children and up to 300 beats per minute in infants. It can happen at any age and may be your child’s only heart problem. SVT can start and stop quickly. It may last for minutes or continue for hours. If it is not treated, the heart’s ability to pump normally is affected. SVT can occur at rest or be triggered by exercise. […] Common Signs and Symptoms: Infants are not able to tell you if the following signs or symptoms happen. They are not unique to SVT. They can occur with other illness. […] Toddlers and older children may be able to tell you if they are having the following symptoms: heart pounds, heart 'beeping’ in chest, feels a rapid or irregular heartbeat, feeling pulses in their throat.

• #28 Supraventricular tachycardia – Wikipedia

  https://en.wikipedia.org/wiki/Supraventricular_tachycardia

  Palpitations, feeling faint, sweating, shortness of breath, chest pain. […] The symptoms of SVT include palpitations, feeling of faintness, sweating, shortness of breath, and/or chest pain. […] The rapid heart rate, if fast enough, reduces the opportunity for the „pump” to fill between beats decreasing cardiac output and consequently blood pressure. The following symptoms are typical with a rate of 150-270 or more beats per minute: Pounding heart, Rapid heart beat, Shortness of breath, Chest pain, Rapid breathing, Dizziness, Sweating, Loss of consciousness. […] Symptoms of heart arrhythmias, such as SVT, are more difficult to assess in infants and toddlers because of their limited ability to communicate. Caregivers should watch for lack of interest in feeding, shallow breathing, and lethargy. These symptoms may be subtle and may be accompanied by vomiting and/or a decrease in responsiveness.

• #29 Atrial tachycardia | Beacon Health System

  https://www.beaconhealthsystem.org/library/diseases-and-conditions/atrial-tachycardia?content_id=CON-20239503

  Atrial tachycardia symptoms may be hard to see in infants and young children. Symptoms of atrial tachycardia in children can include: Poor feeding. Sweating. Irritability. Changes in skin color. […] Symptoms of atrial tachycardia may be related to a serious health condition. Call 911 or your local emergency number if you have a very fast heartbeat that lasts for more than a few minutes or if a fast heartbeat occurs with these symptoms: Chest pain. Dizziness. Shortness of breath. Weakness. […] Make an appointment for a healthcare checkup if you have: A very fast heartbeat for the first time. An irregular heartbeat that lasts longer than a few seconds. […] Atrial tachycardia isn’t usually life-threatening. However, it can be a concern if you have heart damage or another heart condition. If the very fast heartbeat continues, it may weaken the heart muscle.

• #30 POTS: Causes, Symptoms, Diagnosis & Treatment

  https://my.clevelandclinic.org/health/diseases/16560-postural-orthostatic-tachycardia-syndrome-pots

  Postural orthostatic tachycardia syndrome (POTS) is a condition that causes a number of symptoms when you transition from lying down to standing up, such as a fast heart rate, dizziness and fatigue. […] Postural orthostatic tachycardia syndrome (POTS) is a condition that causes your heart to beat faster than normal when you transition from sitting or lying down to standing up. […] This imbalance causes many possible symptoms, such as dizziness, fainting and exhaustion. […] POTS has several possible symptoms, and they vary from person to person. Symptoms include: Dizziness or lightheadedness, especially when standing up, during prolonged standing in one position or on long walks. Fainting or near fainting. Forgetfulness and trouble focusing (brain fog). Heart palpitations or racing heart rate. Exhaustion/fatigue.

• #31 Postural Tachycardia Syndrome (POTS) | National Institute of Neurological Disorders and Stroke

  https://www.ninds.nih.gov/health-information/disorders/postural-tachycardia-syndrome-pots

  The classic symptom of POTS is a fast heartbeat. A person’s heart rate may increase by more than 30 beats per minute or exceed 120 beats per minute within 10 minutes of standing. The rapid heartbeat usually improves when the person lies down again. […] POTS can also cause lightheadedness or dizziness, fainting, and palpitations which often occur upon standing. POTS may also cause exhaustion, headaches, and other symptoms. Some people may have blurred vision or tunnel vision, weakness in the legs, chest pain or other pain, fatigue, sleep problems, digestive issues, shortness of breath, and difficulty concentrating. It may be difficult for people with POTS to exercise or be physically active because of the increased heart rate, fainting spells or dizziness that occur in an upright position. […] POTS symptoms may come and go over time (called relapsing-remitting pattern). In most cases, POTS symptoms improve over time, though some symptoms may remain or last a long time.

• #32 Postural tachycardia syndrome (PoTS)

  https://www.nhs.uk/conditions/postural-tachycardia-syndrome/

  Postural tachycardia syndrome (PoTS) is when your heart rate increases very quickly after getting up from sitting or lying down, often making you feel dizzy or lightheaded. […] Some symptoms happen when you stand up and can get better when you sit or lie down, such as: dizziness or lightheadedness, noticeable heartbeats (heart palpitations), chest pain, shortness of breath, shaking and sweating, fainting or nearly fainting. […] You may find your symptoms are worse in the morning, and they may change from day to day. […] If you have symptoms of postural tachycardia syndrome (PoTS), a GP may check your blood pressure and heart rate before and after you stand up. […] It can take time for people to be diagnosed with PoTS, as the symptoms are similar to other conditions. […] If you’re diagnosed with postural tachycardia syndrome (PoTS), finding the right treatment for you can take time. […] You may also need to try several different medicines or combinations of medicines. […] If you have postural tachycardia syndrome (PoTS), there are things you can try to help ease your symptoms. […] Making changes to your lifestyle may also help with PoTS.

• #33 PoTS: what is postural tachycardia syndrome? – BHF

  https://www.bhf.org.uk/informationsupport/heart-matters-magazine/medical/ask-the-experts/pots

  Postural tachycardia syndrome (PoTS) sometimes called postural orthostatic tachycardia syndrome is a condition that causes a sudden increase in heart rate when sitting or standing up. […] This means the supply of blood to your heart and brain changes when you sit or stand up, so your heart beats very fast to try to make up for this. […] After standing or sitting up, you may experience: dizziness, feeling lightheaded, shortness of breath, palpitations (being aware of your heartbeat), fainting. […] Some peoples symptoms are mild, while others find the symptoms have a big impact on their life. […] If you have PoTS-like symptoms after having Covid-19, speak to your doctor. […] There is no cure for PoTS, but it can often improve over time. […] If you are still having symptoms despite making lifestyle changes, your doctor may suggest taking some medicine.

• #34 POTS: Causes, Symptoms, Diagnosis & Treatment

  https://my.clevelandclinic.org/health/diseases/16560-postural-orthostatic-tachycardia-syndrome-pots

  POTS symptoms often get worse in the following situations: Being in warm environments, such as in a hot bath or shower or on a hot day. Standing frequently, such as when you’re waiting in line or shopping. Participating in strenuous exercise. […] POTS can disrupt your sleep. […] POTS symptoms may come and go for years. In approximately 80% of cases, the condition improves, but many people have residual symptoms.

• #35 Dysautonomia International: Postural Orthostatic Tachycardia Syndrome

  http://www.dysautonomiainternational.org/page.php?ID=30%20

  Postural orthostatic tachycardia syndrome (POTS) is a common autonomic nervous system disorder characterized by an excessively fast heart rate and symptoms of lightheadedness upon standing. […] While the diagnostic criteria focus on the abnormal heart rate increase upon standing, POTS usually presents with symptoms much more complex than a simple increase in heart rate. […] Many POTS patients also experience fatigue, headaches, lightheadedness, heart palpitations, exercise intolerance, nausea, diminished concentration, tremulousness (shaking), syncope (fainting), coldness or pain in the extremities, chest pain and shortness of breath. […] Approximately 25% of POTS patients are disabled and unable to work. […] Currently, there is no cure for POTS, however researchers believe that some patients will see an improvement in symptoms over time. […] While the prognosis is good for most patients, researchers have noted that some patients will not improve and may actually worsen over time.

• #36 Tachycardia – Wikipedia

  https://en.wikipedia.org/wiki/Tachycardia

  Both of these rhythms normally last for only a few seconds to minutes (paroxysmal tachycardia), but if VT persists it is extremely dangerous, often leading to ventricular fibrillation. […] The management of tachycardia depends on its type (wide complex versus narrow complex), whether or not the person is stable or unstable, and whether the instability is due to the tachycardia.

• #37 Management of tachycardia

  https://pmc.ncbi.nlm.nih.gov/articles/PMC4447058/

  Tachycardia, conventionally, but arbitrarily, defined as an atrial and/or ventricular rate of 100 beats per minute, is encountered commonly and can be physiological or pathological in origin. […] Various adverse consequences from tachycardia have been recognized, and an important one is the association between persistent tachycardia and cardiomyopathy. […] Tachycardia can also worsen pre-existing cardiomyopathy (impure TMC). […] Persistent tachycardia of any form can cause tachycardia-mediated cardiomyopathy (TMC), can precipitate heart failure and can result in death. […] If TMC is the direct consequence of tachycardia, it is referred to as tachycardia-induced cardiomyopathy or pure TMC. […] Atrial fibrillation with persistent rapid ventricular rates is the most common cause. […] Once pathologic tachycardia is controlled or eliminated, gradual recovery in left ventricular function and heart failure symptoms is the rule in a patient with TMC.

• #38 Supraventricular tachycardia (SVT)

  https://www.nhs.uk/conditions/supraventricular-tachycardia-svt/

  Having supraventricular tachycardia (SVT) means your heart suddenly beats faster. […] This usually lasts for a few minutes, but can sometimes last for several hours. […] You may get no other symptoms, but sometimes people also have chest pain or discomfort, feel weak, breathless, lightheaded or dizzy, feel tired. […] Supraventricular tachycardia (SVT) is rarely life threatening. But you may need treatment in hospital if you keep having long episodes.

• #39 Paroxysmal Supraventricular Tachycardia (SVT, PSVT) – Heart and Blood Vessel Disorders – Merck Manual Consumer Version

  https://www.merckmanuals.com/home/heart-and-blood-vessel-disorders/abnormal-heart-rhythms/paroxysmal-supraventricular-tachycardia-svt-psvt

  Paroxysmal supraventricular tachycardia (also called reentrant supraventricular tachycardia) is a regular, fast (160 to 220 beats per minute) heart rate that begins and ends suddenly and originates in heart tissue other than that in the ventricles. […] Most people have uncomfortable awareness of heartbeats (palpitations), shortness of breath, and chest pain. […] The fast heart rate tends to begin and end suddenly and may last from a few minutes to many hours. It is almost always experienced as an uncomfortable awareness of the heartbeat, such as feeling like the heart is pounding or racing (palpitations). It is often associated with other symptoms, such as weakness, light-headedness, shortness of breath, and chest pain. […] Preventing an episode is more difficult than treating an episode.

• #40 Paroxysmal supraventricular tachycardia (PSVT) – UF Health

  https://ufhealth.org/conditions-and-treatments/paroxysmal-supraventricular-tachycardia-psvt

  Paroxysmal supraventricular tachycardia (PSVT) is episodes of a rapid heart rate that start in a part of the heart above the ventricles. „Paroxysmal” means from time to time. […] Symptoms most often start and stop suddenly. They can last for a few minutes or several hours. Symptoms may include: […] The rapid heart rate from PSVT may start with events that occur in areas of the heart above the lower chambers (ventricles). […] A physical exam during a PSVT episode will show a rapid heart rate. It may also show forceful pulses in the neck. […] PSVT is generally not life threatening. If other heart disorders are present, it can lead to congestive heart failure or angina.

• #41 Ventricular Tachycardia (VT) | Cedars-Sinai

  https://www.cedars-sinai.org/health-library/diseases-and-conditions/v/ventricular-tachycardia-1.html

  Some people may have mild symptoms from VT. Or they may have no symptoms at all. But for others, VT can be dangerous. It can lead to fainting, sudden cardiac arrest, or death. […] Ventricular tachycardia (VT) is a fast, abnormal heart rhythm. This may last for only a few seconds or for a longer time. VT that lasts for only a few seconds may not need treatment. Longer episodes may be dangerous and need treatment and prevention. Some diseases that cause heart muscle damage can lead to VT. Treatment may include medicines, ablation therapy, or an ICD to check and correct your heartbeat.

• #42 Tachycardia Symptoms, Causes & Algorithm – ACLS Handbook

  https://nhcps.com/lesson/acls-tachycardia/?srsltid=AfmBOopqrCMTDbdGo9TSCM_ChFcS6MFjsKDkiU3TKTO5bKUInrQx4Kg2

  Tachycardia is a heart rate of greater than 100 beats per minute. When the heart beats too quickly, there is a shortened relaxation phase. This causes two main problems: the ventricles are unable to fill completely, causing cardiac output to decrease; and the coronary arteries receive less blood, causing supply to the heart to decrease. […] Tachycardia is classified as stable or unstable. Heart rates greater than or equal to 150 beats per minute usually cause symptoms. Unstable tachycardia always requires prompt attention. Stable tachycardia can become unstable. […] Symptoms of Tachycardia include hypotension, sweating, pulmonary edema/congestion, and jugular venous distension. […] Heart rate greater than 150 bpm may be symptomatic; the higher the rate, the more likely the symptoms are due to the tachycardia.

• #43

  https://www.singhealth.com.sg/patient-care/conditions-treatments/tachycardia

  Tachycardia is a heart rhythm disorder, whereby the heart beats very fast at over 100 beats a minute. It can be a normal physiological response or a form of arrhythmias which occurs when there is a short-circuit or automatic focus of electrical impulses controlling the heartbeat. […] Symptoms include: Fluttering in the chest, Pounding heartbeat, Chest discomfort, Shortness of breath, Light-headedness, Fainting sensation. […] Seek immediate medical help if heart palpitations are accompanied by the following symptoms: Severe chest pain, Shortness of breath, Unusual sweating, Loss of consciousness. It is also important to consult a doctor without delay if you have pre-existing heart conditions or a family history of sudden death. […] Sustained heart palpitations lasting more than 30 seconds are considered a medical emergency. They could indicate pre-existing heart diseases such as coronary artery disease or heart valve disorders.

• #44 Tachycardia (High Heart Rate): Symptoms & Treatment

  https://my.clevelandclinic.org/health/diseases/22108-tachycardia

  If you have sinus tachycardia, your symptoms will go away once the fear, anxiety or other emotion that caused it ends. For most other types of tachycardia, you’ll need medication or even a procedure to keep your fast heart rate and other symptoms from coming back. […] Although medications can’t cure tachycardia, they can help you regulate it. Ablation may be a long-term solution to certain types of tachycardia. It may even cure them.

• #45 Supraventricular Tachycardia (SVT) in Children | Children’s Hospital of Philadelphia

  https://www.chop.edu/conditions-diseases/supraventricular-tachycardia-svt

  Supraventricular tachycardia almost never causes sudden death. Patients with SVT usually do not have any symptoms when they are not having these attacks. […] Supraventricular tachycardia episodes usually stop on their own. Many babies with SVT will outgrow the arrhythmia by their first birthday. […] Depending on your child’s age and the severity and frequency of symptoms, the cardiologist may recommend a catheter ablation procedure to permanently eliminate SVT. […] After successful treatment with ablation, your child should not experience any SVT episodes. […] In general, most children with SVT lead completely normal lives and have normal life expectancy.

• #46 Supraventricular Tachycardia (SVT)

  https://www.nationwidechildrens.org/conditions/supraventricular-tachycardia

  If your child has SVT at home that is not relieved by vagal maneuvers or their medicine, get medical care. Go to your local emergency room or call 911. […] Most children with SVT live completely normal lives and have a normal life expectancy. However, it is important to routinely meet with your child’s pediatric cardiologist for continued SVT care.

• #47 Understanding Ventricular Tachycardia (VT): Symptoms, Treatments & Self-Assessment Quiz | UI Health Care | University of Iowa Health Care

  https://uihc.org/health-topics/test-your-understanding-ventricular-tachycardias-symptoms-causes-and-treatments

  Ventricular tachycardia (VT) is a serious heart condition that can be life-threatening if not properly managed. […] In some cases, it may cause no symptoms, but in others, it can lead to dizziness, fainting, or even sudden cardiac arrest. […] Some people with VT may not experience any symptoms, while others may feel: A rapid heartbeat, Dizziness, Chest pain, Shortness of breath. […] One of the most concerning symptoms is fainting, as it may indicate that the heart isnt pumping enough blood to the brain. […] VT can be dangerous, especially if it lasts for a long time or leads to ventricular fibrillation (a chaotic, life-threatening heart rhythm). […] If you think youre having an episode of VT, its important to act quickly. If you feel lightheaded, dizzy, or have chest pain, sit down and try to stay calm. […] Living with VT requires some adjustments, but many people can lead full, active lives.

• #48 Ventricular Tachycardia (VT) | Frankel Cardiovascular Center | Michigan Medicine

  https://www.umcvc.org/conditions-treatments/ventricular-tachycardia-vt

  Ventricular tachycardia (VT) is a rapid heart rate that originates in the lower chambers of the heart, or ventricles, due to a malfunction of the heart’s electrical system. VT is defined by a pulse of more than 100 beats per minute with at least three irregular heartbeats in a row. The heart may beat inefficiently which can result in the body not receiving an adequate blood supply. […] Symptoms of VT can include a feeling of a racing heart or that the heart is going to burst, lightheadedness and fatigue, chest pain and anxiety. VT can also occur without any symptoms. […] If it continues and is untreated, it can be life-threatening and cause sudden cardiac death.

• #49 Tachycardia | healthdirect

  https://www.healthdirect.gov.au/tachycardia

  If you feel rapid heart palpitations, with dizziness, chest pains or severe shortness of breath, call triple zero (000) and ask for an ambulance. Please note that a rapid heartbeat may also be a normal response to exercise or stress but may signify something more serious. […] Tachycardia means that your heart is beating much faster than normal, usually more than 100 beats per minute. […] You may have no symptoms or you may feel: dizzy and light-headed, palpitations when you feel your heart pounding or beating irregularly, short of breath, chest pain. In severe situations, tachycardia can cause you to fall unconscious. […] If not treated, other types of abnormal tachycardia can lead to: stroke, heart failure, cardiac arrest.

• #50 Tachycardia: Fast Heart Rhythm Causes, Symptoms & Treatment | Tampa General Hospital

  https://www.tgh.org/institutes-and-services/conditions/tachycardia

  If left untreated, tachycardia can have various complications and long-term effects, including chronic fatigue, frequent syncope, worsening of other heart conditions, heart failure, blood clots, and sudden cardiac arrest. […] Early detection and appropriate management of tachycardia are essential to minimize these risks and protect overall heart health.

• #51 Management of tachycardia

  https://pmc.ncbi.nlm.nih.gov/articles/PMC4447058/

  Most pure TMC patients are expected to recover within 3-6 months after tachycardia suppression. […] A major factor affecting prognosis is tachycardia recurrence. […] Sudden death has been reported in TMC patients even after recovery in ventricular function, highlighting the fact that tachycardia should be controlled before cardiomyopathy ensues.

• #52 A rapid heartbeat – Warning sign of arrhythmia | Bangkok Heart Hospital

  https://www.bangkokhospital.com/en/bangkok-heart/content/tachycardia-signs-of-cardiac-arrhythmia

  Despite the fact that cardiac arrhythmia can strike anyone at any age, it is frequently found in patients aged over 65 who have had other preexisting conditions. […] It is crucial to seek urgent medical assistance if warning signs and symptoms of cardiac arrhythmia exhibits, including a fluttering in the chest or a racing heartbeat, fainting or near fainting, dizziness, chest pain or discomfort and shortness of breath. […] If it is left untreated, potentially life-threatening complications, such as stroke and heart failure might further develop. […] Under close supervision of an expert cardiologist, an early and accurate diagnosis results in effective treatments in a timely manner before the condition severely progresses.

• #53 Tachycardia: Symptoms & Causes | NewYork-Presbyterian

  https://www.nyp.org/heart/arrhythmias/tachycardia

  Tachycardia symptoms can vary. Some people experience no symptoms until the condition is discovered during a routine exam or diagnostic tests. Symptoms of SVT and VT can often be similar. They include the following: Pounding, racing heartbeat […] When the heart beats too fast, the brain and other vital organs dont get enough blood, causing organ damage or failure. If you have an unexplained rapid heart rate, consult your doctor as soon as possible. […] Seek immediate medical attention if you are experiencing shortness of breath, chest pain, dizziness/fainting, or weakness.

• #54

  https://www.sgh.com.sg/patient-care/conditions-treatments/tachycardia

  Tachycardia is a heart rhythm disorder, whereby the heart beats very fast at over 100 beats a minute. […] Symptoms include: Fluttering in the chest, Pounding heartbeat, Chest discomfort, Shortness of breath, Light-headedness, Fainting sensation. […] Seek immediate medical help if heart palpitations are accompanied by the following symptoms: Severe chest pain, Shortness of breath, Unusual sweating, Loss of consciousness. […] Sustained heart palpitations lasting more than 30 seconds are considered a medical emergency. They could indicate pre-existing heart diseases such as coronary artery disease or heart valve disorders.

• #55 Sinus Tachycardia | Cardiology | Mercy Health

  https://www.mercy.com/health-care-services/heart-vascular/conditions/sinus-tachycardia

  Sinus tachycardia occurs when your hearts natural pacemaker, the sinoatrial node, sends quicker than standard signals, causing a rapid heart rate increase. […] The most common symptom of inappropriate sinus tachycardia is an inexplicably fast heart rate, even at rest. […] Symptoms of inappropriate sinus tachycardia include: A rapid heartbeat that is uncomfortable. Shortness of breath. Dizziness or fainting. Chest pain. Inability or decreased ability to exercise. Headaches. Feeling anxious. […] While inappropriate sinus tachycardia is not life-threatening for most people, you should schedule an appointment with your doctor to discuss your risk. […] Complications of sinus tachycardia include: Blood clots. A blood clot could form and lead to a heart attack or stroke. Heart failure. If the heart cannot pump enough blood, heart failure can occur. Loss of consciousness or fainting. Sudden death. […] If your symptoms are becoming more severe or increasing in frequency, call your doctor.

• #56 Tachycardia | UCI Health | Orange County, CA

  https://www.ucihealth.org/medical-services/conditions/tachycardia

  Ventricular tachycardia starts in the lower chambers of your heart (the ventricles). It can be life-threatening and requires a quick diagnosis and treatment. […] Although sinus tachycardia is often considered mild, it can point to another co-occurring condition. […] Our goal is to determine the cause of your tachycardia, help you feel better and improve your overall health. […] Discuss treatment options with your doctor after all your evaluations are complete. […] Tachycardia is a type of arrhythmia, an irregular heartbeat. One of the most important aspects of arrhythmia care is accurately diagnosing the type and location of an arrhythmia.

• #57 Heart rate jumps up and down: Causes and treatment

  https://www.medicalnewstoday.com/articles/heart-rate-jumps-up-and-down

  Tachycardia means that an adults heart rate is over 100 beats per minute (bpm). […] Supraventricular tachycardia may cause symptoms such as: palpitations, chest pain or discomfort, weakness, lightheadedness, fatigue. […] A person with A-fib may experience: heart palpitations, shortness of breath during exercise, exercise intolerance, lightheadedness, difficulty breathing when resting, fatigue, chest pain. […] Conduction disorders, specifically heart block, can cause a disruption to the electrical signals that enable the heart to pump blood to the body and the lungs. […] Dehydration can affect a persons mental and physical function, including their heart rate. […] Certain drugs can affect the heart rate and cause the rhythm to jump between high and low beat rates. […] Sleep deprivation, sleep disorders, and lack of good quality sleep can have negative effects on heart health.

• #58 Heart rate jumps up and down: Causes and treatment

  https://www.medicalnewstoday.com/articles/heart-rate-jumps-up-and-down

  Emotional or physical stress can lead to: a faster heart rate, a rise in blood pressure, a release of stress hormones. […] If a persons heart rate regularly reaches over 100 bpm with no apparent cause, it feels irregular, they experience high spikes in their heart rate, or they notice any other symptoms alongside the high heart rate, they should seek medical attention. […] A range of heart problems can cause an irregular heart rate. […] Different conditions and factors can cause the heart rate to jump up or down. The medical term for this cardiac anomaly is arrhythmia. […] An arrhythmia does not always cause serious health problems, but seeking medical advice is important in reducing the risk of developing complications.

• #59 Bradycardia & Tachycardia | Montgomery County, PA | AMS Cardiology

  https://amscardiology.com/conditions-procedures/bradycardia-and-tachycardia/

  It’s essential to prevent or manage them to maintain good heart health. Here are some ways to prevent bradycardia and tachycardia: Eat a healthy diet, Exercise regularly to maintain a healthy weight, reduce stress, release positive endorphins, and improve mental clarity, Keep blood pressure and cholesterol under control, Do not use recreational drugs as they may have stimulants within them, Manage stress because stress adversely affects the heart, Go to scheduled visits with your doctor, Limit caffeine as it is a stimulant and may cause an elevated heart rate, Use over-the-counter drugs with caution as some ingredients (stimulants) may cause an elevated heart rate, Avoid excess alcohol intake. […] Treatment largely depends on the underlying cause and the severity of the condition. It’s essential to consult a healthcare professional, like the cardiologists at AMS, for a proper diagnosis and treatment plan.

• #60 Should I Be Worried about Tachycardia? – Prime Heart and Vascular

  https://www.primehv.com/heart-health/should-i-be-worried-about-tachycardia/

  Feeling the rush with your heart working overtime? There’s a name for that: tachycardia. It’s normal to feel a rapid heartbeat after you’ve been exercising, or if you’re panicking, but tachycardia can affect you in serious, long-term ways if you don’t seek treatment. […] Tachycardia has multiple types, all of which have overlap in symptoms. Experiencing tachycardia usually includes: Chest pain, Heart palpitations, Dizziness, Lightheadedness, Shortness of breath. […] Symptoms of a ventricular tachycardia episode include shortness of breath, nausea, falling unconscious, and palpitations. Extreme cases can result in cardiac arrest. […] Sinus tachycardia only becomes a concern if you’re living anemia, prone to severe bleeding, have heart muscle damage, or increased thyroid activity. […] SVT is the most common type of heart arrhythmia, or irregular heart rhythm disorder, in children. Women are at higher risk than men, and anxiety, drinking alcohol, and smoking tobacco all raise your risk of developing SVT.

• #61

  https://www.advocatechildrenshospital.com/services/heart/conditions-we-treat/sinus-tachycardia-treatment

  If your child is experiencing these potential sinus tachycardia symptoms, schedule an appointment with your childs doctor. […] Sinus tachycardia can also be caused by underlying health issues including anemia, high or low blood pressure, diabetes, congenital heart abnormalities, heart disease or an overactive thyroid (hyperthyroidism). […] Most symptoms of sinus tachycardia are short-lived, not life-threatening and resolve on their own without causing further problems. […] Inappropriate sinus tachycardia symptoms are very similar to sinus tachycardia symptoms, although they may be more intense because theyre not related to any external triggers. […] Inappropriate sinus tachycardia is the term for an increase in heart rate without an underlying cause. […] While inappropriate sinus tachycardia is not serious or life-threatening for most people, you should schedule an appointment with your child’s doctor to discuss their risk.

• #62 Should I Be Worried about Tachycardia? – Prime Heart and Vascular

  https://www.primehv.com/heart-health/should-i-be-worried-about-tachycardia/

  Though tachycardia is present in children and young adults, the likelihood that anyone will develop a type of tachycardia grows with age. If you have a family history of arrhythmia or tachycardia, you should make sure to choose an experienced provider with years of experience treating disorders that affect your heart’s rhythm.

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