Materiały źródłowe

• #1 Heart arrhythmia – Symptoms and causes – Mayo Clinic

  https://www.mayoclinic.org/diseases-conditions/heart-arrhythmia/symptoms-causes/syc-20350668

  A heart arrhythmia (uh-RITH-me-uh) is an irregular heartbeat. A heart arrhythmia occurs when the electrical signals that tell the heart to beat don’t work properly. The heart may beat too fast or too slow. Or the pattern of the heartbeat may be inconsistent. […] A heart arrhythmia may feel like a fluttering, pounding or racing heartbeat. Some heart arrhythmias are harmless. Others may cause life-threatening symptoms. […] Symptoms of an arrhythmia may include: A fluttering, pounding or racing feeling in the chest. A fast heartbeat. A slow heartbeat. Chest pain. Shortness of breath. […] Other symptoms may include: Anxiety. Feeling very tired. Lightheadedness or dizziness. Sweating. Fainting or almost fainting. […] If you feel like your heart is beating too fast or too slow, or it’s skipping a beat, make an appointment for a health checkup.

• #1 Heart arrhythmia – Symptoms and causes – Mayo Clinic

  https://www.mayoclinic.org/diseases-conditions/heart-arrhythmia/symptoms-causes/syc-20350668

  A type of arrhythmia called ventricular fibrillation can cause a dramatic drop in blood pressure. This can cause the person to fall to the ground within seconds, also called collapse. Soon the person’s breathing and pulse will stop. Ventricular fibrillation is an emergency that needs immediate medical help. It’s the most frequent cause of sudden cardiac death. […] Complications depend on the type of heart arrhythmia. Possible complications of heart arrhythmias include: Blood clots, which can lead to stroke. Heart failure. Sudden cardiac death.

• #2 Heart Arrhythmia > Fact Sheets > Yale Medicine

  https://www.yalemedicine.org/conditions/heart-arrhythmia

  Heart arrhythmia causes the heart to beat irregularly. […] Heart arrhythmia causes heart palpitations, fatigue, dizziness, and fainting. […] A person suffering from arrhythmia can feel these sensations in the chest, throat, or neck. Very severe heart rhythm abnormalities may cause fainting. […] Besides a fluttering or racing sensation in the heart, there might be other symptoms of heart arrhythmia, including: Fatigue, Dizziness, Lightheadedness, Fainting (syncope) or near-fainting spells, Heart palpitations (fluttering or pounding heartbeat), Shortness of breath, Chest pain.

• #3 Heart Arrhythmias: Causes, Symptoms, and Treatments | Temple Health

  https://www.templehealth.org/about/blog/all-about-heart-arrhythmias

  Some kinds of heart arrhythmias are harmless. Others can be serious or potentially life-threatening if left untreated. Many experience some of the following symptoms: A pounding or fluttering sensation in their chest (known as palpitations), Lightheadedness or feeling faint, Shortness of breath. However, some of my patients with arrhythmias have few or no symptoms. Their arrhythmias may have been found incidentally during testing for other medical conditions. People with AFib experience irregular heartbeats that affect how well the heart pumps blood. If left untreated, AFib only becomes harder and harder to treat, and it increases the risk of stroke. This arrhythmia is a fast arrhythmia from the lower chambers of the heart. It can be very brief and resolve on its own, but if it persists, it is serious, and can cause cardiac arrest. This is another serious kind of arrhythmia and can lead to cardiac arrest and sudden death. VFib can be treated with an ICD which provides a shock to correct the arrhythmia and save your life and sometimes with medications. Arrhythmias can affect your quality of life, and sometimes they’re evidence of another, underlying heart problem.

• #4 Arrhythmia Symptoms | Northwestern Medicine

  https://www.nm.org/conditions-and-care-areas/heart-and-vascular/conditions-and-treatments/arrhythmia/symptoms

  Arrhythmias may not cause any symptoms. In fact, during a routine examination, your doctor might find you have an arrhythmia before you do. And having noticeable symptoms doesnt necessarily indicate a serious problem. Your physician will help you determine if further tests and treatments are needed. […] Noticeable symptoms of arrhythmia may include: Chest pain, Dizziness, Fainting (syncope) or near-fainting, Fluttering in your chest, Lightheadedness, Racing heartbeat (tachycardia), Shortness of breath, Slow heartbeat (bradycardia). […] Bradycardia is a slow heartbeat. Symptoms can include: Dizziness, Fainting (syncope), Lightheadedness, Weakness and fatigue. […] Tachycardia is a fast heartbeat. Symptoms can include: Chest discomfort, Dizziness, Fainting (syncope), Heart palpitations, Lightheadedness, Pounding in the chest.

• #4 Arrhythmia Symptoms | Northwestern Medicine

  https://www.nm.org/conditions-and-care-areas/heart-and-vascular/conditions-and-treatments/arrhythmia/symptoms

  When you experience a change in heart rate or rhythm, you may feel a pounding in your chest, skipped or stopped beats, or a racing heartbeat. Together, these symptoms are referred to as palpitations. Palpitations can occur with heart disease, as in the case of some arrhythmias, or without heart disease, as in the case of extreme stress. If you have dizziness or fainting, along with heart palpitations, it could indicate a serious condition.

• #5 Understanding Arrhythmia: Causes, Symptoms, and Treatment Options

  https://www.webmd.com/heart-disease/atrial-fibrillation/heart-disease-abnormal-heart-rhythm

  An arrhythmia can be silent, meaning you don’t notice any symptoms. Your doctor may spot an uneven heartbeat during a physical exam. […] If you have symptoms, they may include: Palpitations (a feeling of skipped heartbeats, fluttering, or flip-flops), Pounding in your chest, Dizziness or feeling lightheaded, Fainting, Shortness of breath, Chest pain or tightness, Weakness or fatigue (feeling very tired), Anxiety, Blurry vision, Sweating, Rapid heartbeat, Slow heartbeat. […] Irregular heart rhythms may be harmless, but there are types such as ventricular tachycardia and ventricular fibrillation that can be life-threatening. […] While signs of arrhythmia can vary and can result from stress, caffeine, or other reasons, there are a few serious symptoms to watch out for in particular. You’ll want to talk to your doctor if you experience these often: Feeling faint, Dizziness, Shortness of breath.

• #6

  https://www2.hse.ie/conditions/atrial-fibrillation/symptoms/

  Many people with atrial fibrillation, particularly older people, do not have any symptoms. […] The irregular heart rhythm is often only discovered during routine tests for another condition. […] If you have symptoms, a cardioversion is usually carried out. This is where the heart is given a controlled electric shock to restore normal rhythm. […] The most obvious symptom of atrial fibrillation is heart palpitations. This is where the heart feels like it’s pounding, fluttering or beating irregularly, often for a few seconds or possibly a few minutes. […] Other symptoms of atrial fibrillation can include: tiredness and being less able to do physical activity, shortness of breath, feeling faint or lightheaded, chest pain. […] The way the heart beats in atrial fibrillation reduces the heart’s performance and efficiency. This means the heart’s ability to pump blood around the body well. […] This can lead to low blood pressure (hypotension) and heart failure.

• #7 Arrhythmia: Symptoms & Treatment

  https://my.clevelandclinic.org/health/diseases/16749-arrhythmia

  Heart arrhythmia symptoms may include: […] Heart palpitations. […] Dizziness or lightheadedness. […] Fainting episodes. […] Shortness of breath. […] Chest discomfort. […] Weakness or fatigue. […] A cardiac arrhythmia may be silent and not cause any symptoms. […] Depending on the type of cardiac arrhythmia you have, you may have mild or severe symptoms or none at all. […] Harmless arrhythmias go away and come back in response to what triggers them. However, people with other types of arrhythmias especially those that put you at risk for cardiac arrest need treatment for the rest of their lives.

• #8 Heart rhythm problems (arrhythmia)

  https://www.nhs.uk/conditions/arrhythmia/

  Heart rhythm problems (arrhythmia) are when your heart beats too quickly or too slowly, or your heartbeat is not steady. It might not be serious but see a GP if you think you’re having symptoms. […] You may have a fast heartbeat (tachycardia), a slow heartbeat (bradycardia) or an irregular heartbeat where the rhythm changes. […] This can make you feel: like your heart is pounding, racing, fluttering or missing a beat (heart palpitations) this may last for a few seconds up to a few minutes, short of breath, lightheaded, dizzy or like you might faint, tired, chest pain or discomfort. […] Having these symptoms does not necessarily mean you have a heart rhythm problem. […] You currently have heart palpitations with any of these symptoms: chest pain, shortness of breath, feeling dizzy or lightheaded, fainting or feeling like you might faint.

• #9 What is an Arrhythmia? | American Heart Association

  https://www.heart.org/en/health-topics/arrhythmia/about-arrhythmia

  The term “arrhythmia” refers to any problem in the rate or rhythm of a person’s heartbeat. During an arrhythmia, the electrical impulses may be too fast, too slow or erratic, causing an irregular heartbeat. […] When the heart doesn’t beat properly, it can’t pump blood effectively. When this happens, the lungs, brain and all other organs can’t work properly and may shut down or be damaged. […] Some arrhythmias are so brief (such as a temporary pause or premature beat) that the overall heart rate or rhythm isn’t greatly affected. But if arrhythmias last longer, they may make the heart rate too slow, too fast or erratic, so the heart pumps less effectively. […] A fast heart rate (in adults, more than 100 beats per minute) is called tachycardia. […] A slow heart rate (less than 60 beats per minute) is called bradycardia.

• #9 What is an Arrhythmia? | American Heart Association

  https://www.heart.org/en/health-topics/arrhythmia/about-arrhythmia

  Arrhythmias can be caused by: A delay or blockage of the electrical signals that control the heartbeat, Another part of the heart taking over as pacemaker, Changes to heart tissue caused by changes in blood flow, damage to the heart’s electrical system or stiffening or scarring of the heart tissue, Excessive exertion, strain or stress, An imbalance of fluids, hormones or electrolytes in the blood, Certain heart medications. […] An arrhythmia occurs when: The heart’s natural pacemaker develops an abnormal rate or rhythm, The normal conduction pathway is interrupted or changed, Another part of the heart takes over as a pacemaker.

• #10 Arrhythmia | Heart and Stroke Foundation

  https://www.heartandstroke.ca/heart-disease/conditions/arrhythmia

  Arrhythmia may cause your heart to beat too slowly (bradycardia, less than 60 beats per minute) or too quickly (tachycardia, more than 100 beats per minute), or cause uncoordinated contractions (fibrillation). […] Bradycardia occurs when your heart beats so slowly that it cannot pump enough blood for your body’s needs. Untreated bradycardia can cause excessive tiredness, dizziness, light-headedness or fainting. […] Tachycardia occurs when your heart beats too fast. […] Atrial fibrillation (Afib) is a common form of tachycardia that occurs when the electrical activity in the atria is disorganized and very rapid. The pattern of electrical activity stimulates the atria randomly and at a high speed, which causes a series of very rapid contractions of the heart’s upper chambers, preventing them from pumping effectively.

• #10 Arrhythmia | Heart and Stroke Foundation

  https://www.heartandstroke.ca/heart-disease/conditions/arrhythmia

  Symptoms vary from person to person depending on how healthy your heart is and the type of arrhythmia you have, how severe it is, how often it happens and how long it lasts. Some arrhythmias do not have any warning signs. Arrhythmias may decrease the blood flow in your brain and body causing heart palpitation, dizziness, fainting or even death. If you have bradycardia, you may feel tired, short of breath, dizzy or faint. If you have tachycardia, your heartbeat might feel like a strong pulse in your neck or a fluttering, racing beat in your chest. You may also feel discomfort in your chest, weakness, shortness of breath, faint, sweaty or dizzy. If you have any of these symptoms, see your doctor immediately.

• #11 Arrhythmias Information | Mount Sinai – New York

  https://www.mountsinai.org/health-library/diseases-conditions/arrhythmias

  An arrhythmia is a disorder of the heart rate (pulse) or heart rhythm. The heart can beat too fast (tachycardia), too slow (bradycardia), or irregularly. […] An arrhythmia may be present all of the time or it may come and go. You may or may not feel symptoms when the arrhythmia is present. Or, you may only notice symptoms when you are more active. […] Symptoms can be very mild, or they may be severe or even life threatening. […] Common symptoms that may occur when the arrhythmia is present could include: Chest pain, Fainting, Lightheadedness, dizziness, Paleness, Palpitations (feeling your heart beat fast or irregularly), Shortness of breath, Sweating.

• #12 Abnormal Heart Rhythms: Types, Causes, Diagnosis, Treatment

  https://www.healthline.com/health/abnormal-heart-rhythms

  An abnormal heart rhythm is when your heart beats too fast, too slow, or irregularly. Its also called an arrhythmia. […] Arrhythmias can cause no symptoms, or you may feel some symptoms. They may include: discomfort, fluttering or pounding in your chest, pain in your chest, shortness of breath, lightheadedness, fatigue, fainting. […] If you have an abnormal heart rhythm, you may experience some or all of these symptoms: feeling faint, dizzy, or lightheaded, shortness of breath, irregular pulse or heart palpitations, chest pain, pale skin, sweating, fainting, fatigue. […] AFib causes your heart to beat irregularly and can increase your heart rate to 80 to 180 bpm, which is much faster than the typical 60 to 100 bpm. […] Atrial flutter is a type of arrhythmia that originates in the atrium and results in rapid atrial rhythm. Its due to an abnormal circuit of electrical activity. In atrial flutter, your hearts overall rhythm can be regular, but your heart rate is often fast.

• #12 Abnormal Heart Rhythms: Types, Causes, Diagnosis, Treatment

  https://www.healthline.com/health/abnormal-heart-rhythms

  Bradycardia generally occurs when the electrical signals traveling from the atria to the ventricles become disrupted. […] Ventricular fibrillation is a life threatening arrhythmia in which the ventricles beat rapidly and erratically. This impairs the flow of blood from your heart and leads to cardiac arrest. […] A premature contraction is a beat that occurs early. It can occur in the atrium (premature atrial contraction) or in the ventricle (premature ventricular contraction). […] The treatment for an arrhythmia depends on its cause. […] Certain arrhythmias, such as AFib and atrial flutter, can increase your risk of a stroke. […] Although arrhythmias can be quite serious, they can often be managed with treatment. Along with treatment, a doctor may monitor your condition with regular checkups. […] If you experience an abnormal heart rhythm, consider making an appointment with a doctor to determine the cause.

• #13 Arrhythmias – Symptoms | NHLBI, NIH

  https://www.nhlbi.nih.gov/health/arrhythmias/symptoms

  An arrhythmia may not cause any obvious symptoms. You may notice symptoms such as a slow or irregular heartbeat or notice pauses between heartbeats. You may also feel like your heart is skipping a beat, fluttering, pounding, or beating too hard or too fast. These are called heart palpitations. […] Other symptoms of arrhythmias include: Anxiety, Chest pain or discomfort, Confusion, Difficulty breathing, or gasping during sleep, Dizziness and fainting, Tiredness or weakness. […] Keep track of when and how often you have symptoms, what you feel, what you were doing, and whether these things change over time. If your symptoms are very serious, such as difficulty breathing or chest pain, seek emergency medical care.

• #14 Heart arrhythmias | healthdirect

  https://www.healthdirect.gov.au/heart-arrhythmias

  If your heart is beating in an unusual way and you are concerned, go immediately to your nearest emergency department or call triple zero (000) and ask for an ambulance. […] Heart arrhythmia is when your heart beats abnormally either too fast, too slow or irregularly. […] Symptoms can include chest pain, fainting, sweating, shortness of breath and anxiety. […] If you have a heart arrhythmia, you may experience: palpitations you may feel your heart is racing, skipping beats or fluttering in your chest, chest pains, fatigue, light-headedness or dizziness, fainting, shortness of breath, sweating, anxiety. […] You should call triple zero (000) and ask for an ambulance if you feel your heart is beating in an unusual way and you: feel dizzy or light-headed, faint, feeling short of breath, have pain in your chest. […] It’s normal not to notice your heartbeat, so if you feel that your heart is beating irregularly, too fast or too slowly, you should see your doctor. […] Complications depend on the type of heart arrhythmia and may include: stroke, heart failure, cardiac arrest and sudden death.

• #15 Arrhythmia: Types, causes, symptoms, and treatment

  https://www.medicalnewstoday.com/articles/8887

  An arrhythmia is an irregular heartbeat that may feel like a racing or fluttering heart. It is not always serious but can sometimes indicate a potentially fatal heart problem. […] If they are highly irregular or result from a weak or damaged heart, arrhythmias can cause severe and potentially fatal symptoms and complications. […] Arrhythmia does not always cause noticeable symptoms. However, a doctor may detect an arrhythmia during a routine examination. […] Symptoms depend on the type of arrhythmia. […] The symptoms of a rapid heartbeat include: breathlessness, dizziness, fainting or nearly fainting, fluttering in the chest, known as heart palpitations, chest pain, lightheadedness, sudden weakness. […] Bradycardia can cause the following symptoms: angina, or chest pain, difficulty concentrating, confusion, difficulty exercising, dizziness, tiredness, lightheadedness, palpitations, shortness of breath, fainting or nearly fainting, profuse sweating.

• #15 Arrhythmia: Types, causes, symptoms, and treatment

  https://www.medicalnewstoday.com/articles/8887

  When AFib symptoms occur, they often have a rapid onset and may involve: angina, breathlessness, dizziness, palpitations, fainting or nearly fainting, weakness. […] Some people with arrhythmia do not experience active symptoms. However, treatment is still essential because life threatening complications can arise. […] Possible complications of arrhythmia include: stroke, heart failure, cardiac arrest.

• #16 Arrhythmias – Abnormal heart rhythms – BHF

  https://www.bhf.org.uk/informationsupport/conditions/arrhythmias

  An arrhythmia, or abnormal heart rhythm, usually means your heart is beating too fast, too slow or irregularly. […] The symptoms you have depend on what type of arrhythmia you have. The most common symptoms include: palpitations (a thumping or fluttering sensation in your chest) […] dizziness […] feeling as if you may black out […] breathlessness […] chest discomfort […] feeling tired. […] Most arrhythmias are manageable. This means that with the right treatment you can carry on living as you were before you were diagnosed.

• #17 Heart Arrhythmia

  https://www.marshfieldclinic.org/specialties/heart-care/arrhythmia

  Uncontrolled rapid arrhythmias can result in heart weakness over time. […] Symptoms of a heart arrhythmia include: A fluttering sensation in your chest, A racing heartbeat (tachycardia), A slow heartbeat (bradycardia), Chest pain, Shortness of breath, Lightheadedness, Dizziness, Fainting (syncope) or near fainting, Fatigue.

• #17 Heart Arrhythmia

  https://www.marshfieldclinic.org/specialties/heart-care/arrhythmia

  Heart arrhythmia, also referred to as cardiac arrhythmia, is an abnormal rhythm of the heart. […] Arrhythmias can occur when the electrical impulses that coordinate your heart rhythm do not travel normally. This causes the heart to beat too fast, too slow, or with an irregular rhythm. […] While most arrhythmias are harmless, some can be serious or even life threatening. When a heartbeat is too fast, too slow or irregular, the heart may not be able to pump enough blood to the body. […] Arrhythmias can be associated with serious symptoms that can affect your ability to function. Lack of blood flow can damage the brain, heart and other organs. […] If irregular heartbeats are frequent or chronic, they can be very serious. Troublesome arrhythmias can be made worse, or can be caused by a weak or damaged heart.

• #18 Cardiac Arrhythmias: Signs and Symptoms

  https://www.verywellhealth.com/cardiac-arrhythmias-signs-and-symptoms-4160572

  Cardiac arrhythmias can produce a range of symptoms from very mild, like lightheadedness, to life-threatening, including cardiac arrest. […] But many times, much to patients’ surprise, cardiac arrhythmias may not produce any symptoms at all. This is especially true for arrhythmias that produce intermittent extra heartbeats namely, premature atrial complexes (PACs) and premature ventricular complexes (PVCs). […] When a patient presents with classic symptoms, a healthcare provider should look specifically for a cardiac arrhythmia as the cause. […] These classic symptoms include: Palpitations, Lightheadedness, Syncope, Cardiac arrest. […] Palpitations are an unusual awareness of the heartbeat. […] If a cardiac arrhythmia is preventing the heart from pumping blood sufficiently to provide the body’s needs, episodes of lightheadedness may result.

• #19 Atrial Fibrillation (AFib): Symptoms & Treatment

  https://my.clevelandclinic.org/health/diseases/16765-atrial-fibrillation-afib

  Atrial fibrillation (AFib) is an irregular heart rhythm that begins in your hearts upper chambers (atria). Symptoms include fatigue, heart palpitations, trouble breathing and dizziness. […] AFib symptoms include: A feeling of butterflies or a fish flopping in your chest, or the sensation that your heart is racing or pounding (heart palpitations), Extreme fatigue, Dizziness or lightheadedness, Fainting (syncope), Shortness of breath (dyspnea), Chest pain (angina). […] Whether or not you feel symptoms, being in AFib is serious. It means your heart is out of rhythm. When your heart isnt beating normally, you have a higher risk of dangerous blood clots forming in your heart and traveling to vital organs such as your brain, resulting in a stroke, as well as other complications. If you have symptoms of AFib, contact your healthcare provider right away.

• #19 Atrial Fibrillation (AFib): Symptoms & Treatment

  https://my.clevelandclinic.org/health/diseases/16765-atrial-fibrillation-afib

  AFib is a progressive condition. That means it develops in stages and can get worse over time. […] An ECG/EKG shows you have atrial fibrillation. But this can mean a lot of different things. You might have symptoms that come and go on their own. Or you might have AFib episodes that persist despite treatment. Symptoms might go away after treatment, but return down the road. […] This means youre no longer trying to manage AFib with treatments and youre constantly in AFib. You and your healthcare provider make this decision together based on your situation.

• #20 Symptoms, Diagnosis and Monitoring of Arrhythmia | American Heart Association

  https://www.heart.org/en/health-topics/arrhythmia/symptoms-diagnosis–monitoring-of-arrhythmia

  Arrhythmias can produce a broad range of symptoms and results. Your experience with arrhythmia may also differ depending on the type. For instance, a single premature beat may be felt as a “palpitation” or a “skipped beat.” Premature beats that occur often or in rapid succession may increase awareness of heart palpitations or a “fluttering” sensation in the chest or neck. […] That same “fluttering” or “quivering” is associated with atrial fibrillation (AFib or AF), which is a particular type of arrhythmia. […] When arrhythmias (including AFib) last long enough to affect how well the heart works, more serious symptoms may develop: Fatigue or weakness, Dizziness or lightheadedness, Fainting or near-fainting spells, Rapid heartbeat or pounding in the chest, Shortness of breath and anxiety, Chest pain or pressure, Alternating fast and slow heart rate, Sweating, In extreme cases, collapse and sudden cardiac arrest.

• #20 Symptoms, Diagnosis and Monitoring of Arrhythmia | American Heart Association

  https://www.heart.org/en/health-topics/arrhythmia/symptoms-diagnosis–monitoring-of-arrhythmia

  Fluttering and heart palpitations are telltale signs of arrhythmia, including AFib. Other serious heart problems, such as heart attack, have similar warning signs. […] People with AFib are about five times more likely to have a stroke than those without AFib. So, it’s vital to be familiar with stroke symptoms.

• #21 Arrhythmia (Irregular Heartbeat) | Heart and Vascular

  https://health.ucdavis.edu/conditions/arrhythmia

  Arrhythmia symptoms can range from unnoticeable to severe pain, heart attack and stroke. If you have heart disease, your symptoms may be more noticeable and could get worse. […] The most common arrhythmia symptoms include extreme tiredness, dizziness or fluttering in the chest. […] Its important to talk to your physician if you experience any arrhythmia symptoms, which can include: Alternating fast (tachycardia) and slow (bradycardia) heartbeat, Dizziness or feeling lightheaded, Fainting or near-fainting, Fluttering sensation in the chest, Sweating, Tiredness or weakness. […] Heart fluttering and skipped or extra heartbeats (palpitations) are signs of arrhythmia or something more serious. In some cases, arrhythmia can be dangerous and require fast medical attention. […] Call 911 immediately if you experience chest pain or heart attack symptoms, such as: Chest pain, pressure, Cold sweat, nausea or lightheadedness, Collapse and sudden cardiac arrest, Discomfort in the upper body, including both arms, the back, stomach, neck and jaw, Heart palpitations, Shortness of breath. […] Severity of arrhythmia can vary from no symptoms to stroke or cardiac arrest. This is based on the source of arrhythmia, the cause as well as the type of arrhythmia.

• #22 Heart arrhythmias and palpitations | Better Health Channel

  https://www.betterhealth.vic.gov.au/health/conditionsandtreatments/heart-arrhythmias-and-palpitations

  An arrhythmia is an abnormal heart rhythm, where the heart beats irregularly, too fast or too slowly. […] An occasional palpitation that does not affect your general health is not usually something to worry about. But if it is occurring more often then you need to see your doctor. […] Symptoms of an abnormal heart rhythm can include: palpitations (a feeling of your heart racing, thumping, fluttering, pounding or skipping beats), light-headedness or dizziness, shortness of breath, sweating, fainting, anxiety, chest pain, fatigue. […] Talk to your doctor if you feel your heart beating too fast, too slowly or irregularly. […] Immediately call Triple Zero (000) and ask for an ambulance if along with palpitations, you start to feel any of these warning signs: pain or discomfort (pressure, heaviness or tightness) in your chest, neck, jaw, arms, back or shoulders, you feel nauseous, you’re having a cold sweat, you feel dizzy or are short of breath, and you feel this way for more than 10 minutes.

• #22 Heart arrhythmias and palpitations | Better Health Channel

  https://www.betterhealth.vic.gov.au/health/conditionsandtreatments/heart-arrhythmias-and-palpitations

  Occasional palpitations during periods of emotional or physical stress are normal and are nothing to worry about. However, an irregular heartbeat can be a sign of an abnormal heart rhythm, or another heart condition. […] There are many kinds of abnormal heart rhythms. Some may cause your heart to skip or add a beat now and again but will usually have no effect on your health or ability to lead a normal life. Other abnormal rhythms are more serious and can be life-threatening if left untreated.

• #23 Arrhythmia: Types, Symptoms, Causes & Treatment

  https://resources.healthgrades.com/right-care/heart-health/arrhythmias

  An arrhythmia can cause your heart to be ineffective or weak, resulting in not enough blood getting to your body. Arrhythmias may produce a broad range of symptoms, from barely noticeable to life-threatening. Arrhythmia symptoms can vary in intensity among individuals. Sometimes, people with arrhythmias don’t feel any symptoms. […] Common symptoms include: Awareness of the heart beating, Heart palpitations or a fluttering sensation in the chest or neck, Premature beats that occur often or in rapid succession. […] When arrhythmias last long enough to affect how well the heart works, more serious symptoms may develop: Chest pain, Collapse and sudden cardiac arrest in extreme cases, Dizziness, Fainting or change in level of consciousness or lethargy, Fatigue, Lightheadedness, Pale skin or pallor, Rapid breathing (tachypnea) or shortness of breath, Rapid heart rate (tachycardia), Skipping beats (changes in the pattern of the pulse), Slow heartbeat (bradycardia), Sweating.

• #24 Explaining arrhythmia: What is an arrhythmia, how to treat arrhythmia and more – UChicago Medicine

  https://www.uchicagomedicine.org/forefront/heart-and-vascular-articles/2022/august/answering-your-questions-about-arrhythmia

  Heart arrhythmias occur when the heart beats too quickly, too slowly or irregularly. […] Atrial fibrillation (AFib), the most common abnormal heart rhythm disturbance across the globe, is characterized by fast, irregular heartbeats that start in the upper heart chambers. AFib can make the heart prone to blood clots because its organized contractions have gone astray, increasing the risk for stroke. AFib also can promote the development of, or exacerbate, congestive heart failure. […] It depends on the arrhythmia: If your heart rate is too slow, you can feel tired, dizzy or even faint. If your heart rate is too fast, it can feel like your heart is racing or pounding in the chest. Some patients can be desensitized to abnormal heart rhythms. Fatigue and poor exercise tolerance are common symptoms of many arrhythmias. So everything from feeling nothing to fatigue, shortness of breath, heart pounding and fainting is the spectrum of what we see with arrhythmias.

• #24 Explaining arrhythmia: What is an arrhythmia, how to treat arrhythmia and more – UChicago Medicine

  https://www.uchicagomedicine.org/forefront/heart-and-vascular-articles/2022/august/answering-your-questions-about-arrhythmia

  A real warning sign for an arrhythmia, however, is fainting. If you lose consciousness, that’s something that needs to be evaluated by a doctor. An irregular heartbeat can be a symptom of an underlying problem like heart disease. Theres also greater recognition now that an arrhythmia, if untreated and long-lasting, can itself lead to heart failure. Fast heart rhythms and heart rates can actually create heart failure. Often, this is fully reversible by correcting the electrical problem.

• #25 Atrial fibrillation | NHS inform

  https://www.nhsinform.scot/illnesses-and-conditions/cardiovascular-disease/heart-disease/atrial-fibrillation/

  Atrial fibrillation (AF) is a common irregular heart rhythm (arrhythmia). […] In atrial fibrillation, the top chambers of the heart (the atria) can quiver or twitch (fibrillate). This causes the heart to beat irregularly. […] Some people with atrial fibrillation have no symptoms. Many will not even be aware that they have an irregular heartbeat. Sometimes its only discovered during routine tests or investigations for another condition. […] The most obvious symptom of atrial fibrillation is palpitations. Palpitation is an awareness of your heartbeat. For example, your heart might feel like its pounding, fluttering or beating irregularly. You may feel these sensations in your chest, throat or neck. […] You may feel that your heart is beating fast, even when youre not exercising. […] You may also experience: tiredness, breathlessness, dizziness, feeling faint, chest discomfort or pain.

• #25 Atrial fibrillation | NHS inform

  https://www.nhsinform.scot/illnesses-and-conditions/cardiovascular-disease/heart-disease/atrial-fibrillation/

  Atrial fibrillation can come and go, lasting between a few minutes or a few hours. This is known as paroxysmal atrial fibrillation. This means it can be hard to detect paroxysmal atrial fibrillation. […] People with atrial fibrillation who are at risk of having a stroke may be prescribed anticoagulant medication. This is to reduce the risk of blood clots forming within the heart which can increase the risk of stroke. […] The kind of treatment you will need for atrial fibrillation will depend on: the type of atrial fibrillation, symptoms, any underlying cause like an overactive thyroid, age, overall health.

• #26 Types of Arrhythmias – Mount Sinai Heart | Mount Sinai – New York

  https://www.mountsinai.org/care/heart/services/arrhythmia/types

  At Mount Sinai Fuster Heart Hospital, we treat many types of irregular heartbeats, or arrhythmias. These disorders of the heart’s normal rhythm can result in rapid heart rates, slow heart rates, or irregular heart rates. You might experience heart flutters, palpitations, loss of exercise tolerance, shortness of breath, or fainting. Some arrhythmias are not dangerous, but others require prompt care. […] Atrial Fibrillation, also called AFib, is the most common form of arrhythmia and occurs more frequently as we age. It happens when the upper chambers quiver rather than beating regularly and effectively. People with AFib often experience palpitations, fatigue, chest discomfort or shortness of breath. However, some people may not feel any symptoms, and we often discover it during a routine check-up.

• #26 Types of Arrhythmias – Mount Sinai Heart | Mount Sinai – New York

  https://www.mountsinai.org/care/heart/services/arrhythmia/types

  Left untreated, Atrial Fibrillation is a leading cause of stroke and can weaken the heart and cause heart failure. […] Symptoms include a fluttering feeling in the chest, palpitations, pressure in the chest, shortness of breath, anxiety, lightheadedness, and fainting. This condition increases the risk of stroke and heart failure. […] A slow heart rate can cause fatigue, dizziness, and fainting. […] Tachycardia, or a fast heartbeat, can have many causes. […] Symptoms can include palpitations, lightheadedness, pounding of the chest, and shortness of breath – especially while exercising. […] Ventricular arrhythmia can cause heart palpitations, shortness of breath, fainting, lightheadedness, chest discomfort, and pale skin. […] Sick sinus syndrome occurs when the heart’s ‘natural pacemaker,’ called the sinus node, malfunctions. As a result, the heart rate slows, which can lead to fatigue, dizziness, and fainting.

• #27 Atrial fibrillation

  https://www.nhs.uk/conditions/atrial-fibrillation/

  Atrial fibrillation (sometimes called afib or AF) is a type of heart rhythm problem where your heartbeat is not steady. See a GP if you think you may have it. […] The main symptoms of atrial fibrillation are: an irregular heartbeat, where your pulse is not steady; suddenly feeling like your heart is pounding, racing, fluttering, skipping or missing a beat (heart palpitations) this may last for a few seconds up to a few minutes; a heartbeat faster than 100 beats per minute; feeling very tired; finding it harder to exercise; chest pain or tightness; feeling short of breath, lightheaded, dizzy or like you might faint. […] Sometimes there are no symptoms, and atrial fibrillation is found as part of a routine check-up or when you’re having tests for something else. […] If you do get symptoms, they may start and stop on their own (paroxysmal atrial fibrillation) or stop after treatment (persistent atrial fibrillation).

• #27 Atrial fibrillation

  https://www.nhs.uk/conditions/atrial-fibrillation/

  Over time, you may always have symptoms (permanent atrial fibrillation). […] If you have been diagnosed with atrial fibrillation, you will have regular check-ups to make sure your symptoms are under control. […] Sometimes atrial fibrillation can be caused by another health condition or medicine. In these cases, treating the condition or stopping the medicine can improve the symptoms. […] There is currently no cure for atrial fibrillation, but treatment should help manage the symptoms and lower the risk of complications like blood clots, stroke and heart failure. […] You should be able to carry on doing most things as usual, including exercise. But avoid intense exercise and try not to exercise when you’re having symptoms of atrial fibrillation.

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

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

  A rapid heartbeat is a condition in which the heart beats faster than regular rates. […] If a rapid heart rate presents, medical assistance provided by a cardiologist must be sought immediately in order to get it diagnosed and treated in a timely manner before the condition progresses. […] If it is left untreated, tachycardia can disrupt heart function, resulting in serious complications, including heart failure and sudden cardiac arrest. […] A rapid heartbeat potentially indicates cardiac arrhythmia. […] Noticeable arrhythmia symptoms often include: palpitations defined as a fluttering, rapid heartbeat or pounding in the chest, lightheadedness, dizziness, fainting (syncope) or near fainting, chest pain or tightness, fatigue, weakness or feeling tired easily, breathing difficulties, e.g. shortness of breath, difficulty walking, e.g. the feeling of facing air turbulence while walking.

• #29

  https://www.gleneagles.com.sg/conditions-diseases/heart-arrhythmias/symptoms-causes

  Heart arrhythmia is a condition where the heart beats too fast, too slow or irregularly. A heart arrhythmia refers to an irregular heartbeat. A heart arrhythmia occurs when the electrical impulses are not coordinated. This causes the heart to beat too fast, too slow or irregularly. Some people experience this as a fluttering or racing heart. This is usually harmless. Others experience more severe symptoms that can be life-threatening. […] Your symptoms depend on the type of heart arrhythmia you have: […] Tachycardia (rapid heartbeat) […] Dizziness […] Breathlessness […] Lightheadedness […] Feeling faint or fainting […] Fluttering in the chest […] Sudden weakness […] Chest pain […] Bradycardia (slow heartbeat) […] Dizziness […] Tiredness […] Confusion […] Palpitations […] Lightheadedness […] Difficulty exercising […] Chest pain arrhythmia […] Trouble concentrating […] Feeling faint or fainting […] Shortness of breath […] Sweating profusely.

• #30 Cardiac arrhythmias Guide: Causes, Symptoms and Treatment Options

  https://www.drugs.com/health-guide/cardiac-arrhythmias.html

  Symptoms of a cardiac arrhythmia include: […] Atrial fibrillation – Sometimes, there are no symptoms. This can cause palpitations; fainting; dizziness; weakness; shortness of breath; and angina, which is chest pain caused by a reduced blood supply to the heart muscle. […] When a patient has ventricular fibrillation, it is an emergency. The patient is unconscious, not breathing, and doesn’t have a pulse. […] How long a cardiac arrhythmia lasts depends on its cause. For example, atrial fibrillation that is caused by an overactive thyroid may go away when the thyroid problem is treated. However, cardiac arrhythmias that result from progressive or permanent damage to the heart tend to be long-term problems. […] The prognosis for ventricular fibrillation is grave, and death follows quickly without emergency treatment. Most atrial arrhythmias have an excellent prognosis. The outlook is good for heart block, even third-degree A-V block, the most serious type.

• #31 Arrhythmia – Wikipedia

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

  If an arrhythmia results in a heartbeat that is too fast, too slow, or too weak to supply the body’s needs, this manifests as lower blood pressure and may cause lightheadedness, dizziness, syncope, loss of consciousness, coma, persistent vegetative state, or brain death due to insufficient supply of blood and oxygen to the brain. […] Some types of arrhythmia result in cardiac arrest, or sudden death.

• #32 Heart Arrhythmias

  https://www.rwjbh.org/treatment-care/heart-and-vascular-care/diseases-conditions/heart-arrhythmias/

  When the SA node has issues though, you get a change in your heart’s rhythm. This is known as an arrhythmia. Almost everyone has felt some type of arrhythmia throughout their life. Some examples include: a fluttery feeling in the chest or the feeling of the heart skipping a beat. […] However, arrhythmias that last for longer periods of time, may present some problems. These types of arrhythmias include: premature (early heartbeat), too slow (bradycardia), too fast (tachycardia) or too erratic (fibrillation). […] Arrhythmias may not cause any signs or symptoms. In fact, your doctor might find you have an arrhythmia before you do, during a routine examination. Noticeable signs and symptoms don’t necessarily mean you have a serious problem. Various symptoms include: chest pain, fullness, discomfort or pressure, blurred or double vision, discomfort in the upper body, including both arms, the back, stomach, neck and jaw, confusion or impaired thinking, lightheadedness/fainting, fatigue, rapid heart rate (tachycardia) of over 100 beats per minute, heart palpitations, shortness of breath and anxiety, nausea and/or vomiting, cold sweat. […] VT prevents the ventricles from fully contracting, which means that less blood is pumped to the body. VT can lead to sudden cardiac death.

• #33 Atrial Fibrillation (AFib) | UpBeat.org – powered by the Heart Rhythm Society

  https://upbeat.org/heart-rhythm-disorders/atrial-fibrillation-afib

  Atrial Fibrillation, AFib for short, is a problem with how your heart beats. With AFib, your heart may beat too fast, switch back and forth from fast to slow, or skip beats. We call this type of heartbeat irregular. AFib may start suddenly and then stop on its own, or it may become a long-lasting problem. With AFib, your heart cant pump blood out to your body in a normal way. AFib is an illness that can become worse if its not treated. […] The signs and symptoms of AFib are different from person to person. Some people with AFib feel no symptoms at all. They might not even know they have AFib or that there is a problem. Others can tell as soon as it happens. AFib symptoms can be bothersome and frightening. […] It’s important to see a doctor early if you have symptoms of AFib. Make an appointment if you notice something different or bothersome with your heartbeat.

• #33 Atrial Fibrillation (AFib) | UpBeat.org – powered by the Heart Rhythm Society

  https://upbeat.org/heart-rhythm-disorders/atrial-fibrillation-afib

  This type of irregular heartbeat gives you a 5x higher risk of stroke. During AFib, the atria contract chaotically, and because they are not pumping blood properly, blood pools and gets stuck inside the heart. Blood clots may form, which could get pumped to the brain and interrupt the brain’s blood flow, resulting in an ischemic stroke.

• #34 Arrhythmias – What Is an Arrhythmia? | NHLBI, NIH

  https://www.nhlbi.nih.gov/health/arrhythmias

  An arrhythmia, or irregular heartbeat, is a problem with the rate or rhythm of your heartbeat. Your heart may beat too quickly, too slowly, or with an irregular rhythm. […] But a frequent irregular rhythm may mean that your heart is not pumping enough blood to your body. You may feel dizzy, faint, or have other symptoms. […] If not treated, arrhythmias can damage the heart, brain, or other organs. This can lead to life-threatening stroke, heart failure, or cardiac arrest. During cardiac arrest, the heart suddenly and unexpectedly stops beating, causing death if it is not treated within minutes. […] You may need to avoid activities that may trigger your arrhythmia. These steps may help prevent your arrhythmia from getting worse.

• #35

  https://www.aurorahealthcare.org/services/heart-vascular/conditions/arrhythmia

  An irregular heartbeat can often be harmless. But sometimes, it can make the heart unable to pump enough blood to the brain and other organs, causing serious, even life-threatening conditions. […] If you experience any of these symptoms, call your doctor or 911: A fast or slow heartbeat, Heart palpitations where the heart skips a beat or beats too hard or fast, Chest pain, Shortness of breath, Sweating, Weakness, dizziness and light-headedness, Loss of consciousness, blackouts or fainting (syncope). […] If untreated, arrhythmia can create health problems over time, such as: Blood clots: An abnormal heart rhythm can prevent proper blood flow through the heart, causing blood to back up. Blood clots can form, which raises the risk of having a stroke. Heart failure: AFib can weaken the hearts chambers and result in heart failure and other conditions.

• #36 Symptoms of Arrhythmia | Stanford Health Care

  https://stanfordhealthcare.org/content/shc/en/medical-conditions/blood-heart-circulation/arrhythmia/symptoms.html/

  The most common, noticeable symptoms include: Chest pain, Difficulty exercising because you tire easily, Fatigue or low-energy, Heart palpitations, a feeling that your heart is fluttering, skipping a beat, or beating too hard, too fast, or too slowly, Lightheadedness, dizziness, fainting (syncope) or near-fainting, Shortness of breath, Unexplained sweating. […] Although many arrhythmias are harmless, some types are life threatening. Getting proper treatment can help prevent complications and improve your quality of life. […] If you or someone else is experiencing any of these symptoms, seek immediate medical attention to avoid severe complications, including: Organ damage: Arrhythmias can prevent enough oxygen-rich blood from getting to the body, which can damage the brain, kidneys, liver, and lungs, Stroke: Some arrhythmias can cause blood clots, which can travel to the brain and block arteries, Sudden cardiac arrest (SCA): Fast, erratic heartbeats in the ventricles can cause them to quiver, unable to pump blood. SCA can lead to death within minutes without emergency medical care.

• #37 Symptoms of Arrhythmia | Stanford Health Care

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

  Arrhythmia describes a group of conditions that affect the hearts natural rhythm. Different types of arrhythmias cause the heart to beat too fast, too slowly, or in an irregular pattern. […] The most common, noticeable symptoms include: Chest pain, Difficulty exercising because you tire easily, Fatigue or low-energy, Heart palpitations, a feeling that your heart is fluttering, skipping a beat, or beating too hard, too fast, or too slowly, Lightheadedness, dizziness, fainting (syncope) or near-fainting, Shortness of breath, Unexplained sweating. […] Although many arrhythmias are harmless, some types are life threatening. Getting proper treatment can help prevent complications and improve your quality of life. […] If you or someone else is experiencing any of these symptoms, seek immediate medical attention to avoid severe complications, including: Organ damage: Arrhythmias can prevent enough oxygen-rich blood from getting to the body, which can damage the brain, kidneys, liver, and lungs. Stroke: Some arrhythmias can cause blood clots, which can travel to the brain and block arteries. Sudden cardiac arrest (SCA): Fast, erratic heartbeats in the ventricles can cause them to quiver, unable to pump blood. SCA can lead to death within minutes without emergency medical care.

• #38 What is a heart arrhythmia and what causes it? | HealthPartners Blog

  https://www.healthpartners.com/blog/heart-arrhythmia-causes-symptoms/

  Because it’s possible to have an irregular heartbeat without obvious symptoms, you may not know you have one until your doctor finds it during a yearly checkup. This is just another reason why preventive care is so important. […] Anyone can have an irregular heartbeat from time to time. Sometimes it’s nothing to worry about. But some changes in your heartbeat can be concerning because they affect how much blood gets to your lungs and the rest of your body. […] Rapid, slow or irregular heartbeats that happen rarely usually don’t need medical care. But contact your doctor if you have heartbeat changes frequently, they don’t go away or if you have other symptoms like shortness of breath, dizziness or lightheadedness. […] If you’re experiencing signs of a heart attack such as severe chest pain, shortness of breath, rapid heart rate or dizziness, call 911 immediately to get medical care.

• #39 Cardiac arrhythmias: Symptoms, types & cause – USZ

  https://www.usz.ch/en/disease/cardiac-arrhythmias/

  Cardiac arrhythmias can progress differently depending on the type and cause. In many cases they are harmless and do not impair the hearts pumping capacity. They often cause no or only mild symptoms, such as an occasional heart stumble, and therefore usually pose no direct risk to health. […] However, there are also more serious forms of cardiac arrhythmia that prevent the heart from pumping enough blood through the body. These can lead to dizziness, fainting, shortness of breath or, in extreme cases, life-threatening complications such as heart failure or sudden cardiac death. Arrhythmias that occur in the heart chambers (ventricles) are often more serious than those that occur in the atria. […] The prognosis depends largely on the underlying cause and the general state of health of the person concerned. With timely diagnosis and appropriate treatment, many cardiac arrhythmias can be well controlled or even remedied. Individual therapy tailored to the cause is important in order to prevent complications and improve quality of life. In severe cases, devices such as pacemakers or defibrillators may be necessary to minimize the risk of serious events.

• #40 Arrhythmias

  https://www.svhhearthealth.com.au/conditions/arrhythmias

  Making healthy lifestyle changes is a crucial step in reducing your risk of developing a serious arrhythmia. Your doctor can help you create a management plan that’s right for you. […] If you do have arrhythmias, the good news is that they can usually be successfully treated. Most people with arrhythmias go on to live normal, healthy lives.

• #41 Arrhythmias

  https://www.swiss-ablation.com/en/cardiacarrhythmia-318.htm

  Symptoms: a perceived irregular heartbeat and pulse, heart palpitations, palpitations, dizziness, sweating, shortness of breath, inner restlessness, anxiety, fatigue, chest pain, fatigue, impaired performance or even a stroke. […] Isolated irregularities of the heartbeat can be perfectly normal. […] However, only a heart specialist can usually decide whether more frequent cardiac arrhythmias are relevant. […] If cardiac arrhythmias occur more frequently or over a longer period of time, the cause should be clarified. […] Complications can be avoided by an early examination.

• #42 Heart Rhythm Disorders (Arrhythmias) Types, Triggers, Warning Signs, Treatment

  https://www.medicinenet.com/heart_rhythm_disorders/article.htm

  In critical situations, the patient may fall to the ground or lose consciousness. This may be due to life-threatening dysrhythmias like ventricular fibrillation or ventricular tachycardia. It may be due to heart rates so fast that there isn’t enough blood pressure generated to supply the brain with what it needs. The same result can also occur if the heart beats too slowly and insufficient blood pressure is generated. […] If the heart beats too slowly, the body may not be able to maintain adequate blood pressure and supply the body’s organs with enough oxygen-rich blood to function. […] Slow heart rates may be due to the aging of the SA node and its inability to generate an electrical pacemaker signal. […] The symptoms may include lightheadedness or passing out (syncope), weakness, shortness of breath, and chest pain. […] While most heart dysrhythmias can be treated and controlled, ventricular fibrillation or tachycardia can be fatal. Their recognition and treatment are true emergencies, and there is no guarantee that sudden cardiac death can be reversed.

• #43 Symptoms of cardiac arrhythmia: definition, causes and treatments

  https://www.centrecardiolaval.com/en/2023/01/23/symptoms-arrhythmia-cardiac/

  The good news is that, in many cases, cardiac arrhythmia can be treated. […] However, as with most medical problems, the best approach is proactive prevention. […] While it is true that some arrhythmias have no known cure, lifestyle changes such as exercising and eating well can help protect against future episodes.

• #43 Symptoms of cardiac arrhythmia: definition, causes and treatments

  https://www.centrecardiolaval.com/en/2023/01/23/symptoms-arrhythmia-cardiac/

  If you experience any of these symptoms, it is important to consult our cardiologists to assess the cause of your symptoms and plan appropriate treatment. […] Arrhythmia is an irregular heartbeat that may indicate a potentially serious medical problem. […] While some arrhythmias are completely harmless and pass quickly, others can cause a variety of symptoms such as chest pain, weakness, dizziness and fainting. […] The following signs may indicate a dangerous arrhythmia and an urgent appointment with a physician should be made: Shortness of breath, chest pain lasting more than 8 minutes, A loss of consciousness, Dizziness that cannot be explained by mild dizziness or lightheadedness, Heart palpitations that last for more than an hour. […] Knowing how to recognize an irregular heartbeat can help relieve anxiety and ultimately improve overall health.

• #44 How Cardiac Arrhythmia Can Affect Your Body: Symptoms and Causes – CVRTI

  https://cvrti.utah.edu/how-cardiac-arrhythmia-can-affect-your-body-symptoms-and-causes/

  These include a fluttering feeling in the chest, shortness of breath, or chest pain. You might also notice an irregular heartbeat a racing heartbeat or a slow heartbeat. Some of the other arrhythmia symptoms that might be present include fatigue, anxiety, dizziness, sweating, fainting, or near fainting. […] Heart arrhythmia could be caused by any number of health issues including coronary artery disease, high blood pressure, cardiomyopathy, or valve disorders. […] Those who have had a heart attack before and who have a damaged heart may develop heart arrhythmia. […] When you feel as though your heart is beating too fast or too slow or if you experience any heart arrhythmia symptoms, contact a doctor and make an appointment for medical health treatment. Immediate medical attention should be sought if the change in your heartbeat is accompanied by lightheadedness, weakness, shortness of breath, or chest pain/discomfort.

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