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• #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.

• #2 Arrhythmia: Symptoms & Treatment

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

  An arrhythmia is a heart rhythm that isnt normal. Your heart may be beating too fast when youre at rest or just not beating in a regular pattern, for example. 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. Some types of arrhythmia are harmless and dont require treatment. Others can put you at risk for cardiac arrest. Many are in between these two extremes. Depending on the type of cardiac arrhythmia you have, you may have mild or severe symptoms or none at all. You may not need treatment, but some people need medicine or a procedure. With heart arrhythmia treatment, many people can live full lives. Some people with more serious arrhythmias have a cardiac arrest and may or may not survive. 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.

• #3 Arrhythmias – UF Health

  https://ufhealth.org/conditions-and-treatments/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.

• #4 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. […] If you are experiencing irregular heartbeats, your doctor will start to examine the problem by performing a physical exam. […] Your doctor may refer you to an electrophysiologist, a cardiologist who specializes in treating heart rhythm disorders, to confirm an arrhythmia diagnosis. […] If you notice irregular heartbeats or other arrhythmia symptoms, see your doctor right away. Some arrhythmias are more serious than others, and the condition can have many different causes.

• #5 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).

• #6 Arrhythmia, Irregular Heartbeat Symptoms | Froedtert & MCW

  https://www.froedtert.com/arrhythmia

  An arrhythmia, or dysrhythmia, is an irregular heartbeat or abnormal heart rhythm. Your heart should have a steady rhythm. Even as you exert yourself and your pulse gets faster, it will still be steady without skips or extra beats. […] Some people can feel their heart arrhythmia. Others may not. The variations in your heart rhythm cause the heart to pump less effectively, and may cause any or all of the following symptoms. […] Palpitations You may feel like your heart is pounding harder or faster, or it may feel like your heart is fluttering in your chest with the sensation of an early or skipped beat. Some people get a sinking feeling in their chest or a catch in their throat when there is an early beat. […] Dizziness […] Fainting […] Shortness of breath You may breathe harder or gasp for air when you climb a flight of stairs or walk a long distance. You may have to stop and catch your breath when you haven’t had to do that before. Some people feel fatigued after doing activities that never bothered them in the past.

• #7 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. […] 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.

• #8 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. […] If your symptoms are very serious, such as difficulty breathing or chest pain, seek emergency medical care.

• #9 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.

• #10

  https://myhealth.alberta.ca/Health/pages/conditions.aspx?hwid=te7184abc

  Heart rhythm problems, called arrhythmias, can cause a few types of symptoms. Some of these symptoms include: Palpitations. Having palpitations means that you are unusually aware of your heartbeat. Some people describe them as: A „fluttering” in their chest. A „skipped beat.” A „pounding sensation.” A feeling that the heart is „jumping out of my chest.” […] Light-headedness. If you have an arrhythmia that causes your heart to beat too fast or too slow, you may feel light-headed or dizzy. […] Fainting (syncope). Syncope (say „SING-kuh-pee”) is a sudden loss of consciousness that doesn’t last long. It may be the first sign that you have an arrhythmia. […] Shortness of breath. Feeling short of breath (dyspnea) often happens during arrhythmias. This symptom can be hard for people to describe. It may be referred to as: Feeling short of breath. Feeling tightness in the chest. Being winded. Feeling tired from walking.

• #11 Symptoms and Signs of Arrhythmias (Heart Rhythm Disorders): Treatment

  https://www.emedicinehealth.com/heart_rhythm_disorders/symptom.htm

  Arrhythmias are abnormal heartbeats. […] In many cases, arrhythmias cause minimal to no symptoms but in other cases, people can feel the arrhythmia when it happens. Symptoms of arrhythmias include palpitations, feeling „skipped beats,” thumping or fluttering in the chest, a sensation of the heart racing, feeling faint or tired, lightheadedness or fainting, shortness of breath, and chest pain or discomfort. […] Symptoms of atrial fibrillation include chest pain and/or angina, nausea, dizziness, and heart palpitations. […] Symptoms of atrial flutter include heart palpitations, shortness of breath, anxiety, weakness, and a fluttering feeling in the chest. […] Other symptoms that may accompany heart palpitations include nausea, vomiting, sweating, shortness of breath, and angina (heart pain). Some types of heart palpitations can be fatal, for example, ventricular fibrillation or ventricular tachycardia. […] Symptoms may include dizziness, shortness of breath, palpitations (rapid heartbeat), chest pain, and chest tightness.

• #12 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.

• #13 Arrhythmia | Heart rhythm problems – Heart Foundation NZ

  https://www.heartfoundation.org.nz/your-heart/heart-conditions/arrhythmia

  An arrhythmia is when your heart beats too fast, too slowly or in an uneven, irregular rhythm. […] Sometimes, however, your heart can beat in an abnormal rhythm or rate. This is an arrhythmia. […] Atrial fibrillation (AF) is the most common kind of heart rhythm problem. It causes an irregular and often fast heart rhythm. […] Supraventricular tachycardia (SVT) is a heart arrhythmia that starts in the top part of the heart, above the lower chambers (ventricles). With SVT your heart rate increases very suddenly to over 100 beats per minute. […] Atrial flutter is a fast heart rate that starts in the top chambers of the heart (atria). With atrial flutter your atria often beat at a rate as fast as 300 beats per minute. […] Ventricular tachycardia is a fast heart beat that starts in the lower chambers of the heart (ventricles).

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

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

  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.

• #15 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 doesn’t 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.

• #16 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. […] 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.

• #17 Atrial fibrillation – Symptoms and causes – Mayo Clinic

  https://www.mayoclinic.org/diseases-conditions/atrial-fibrillation/symptoms-causes/syc-20350624

  Atrial fibrillation (AFib) is an irregular and often very rapid heart rhythm. An irregular heart rhythm is called an arrhythmia. AFib can lead to blood clots in the heart. The condition also increases the risk of stroke, heart failure and other heart-related complications. […] During atrial fibrillation, the heart’s upper chambers called the atria beat chaotically and irregularly. They beat out of sync with the lower heart chambers, called the ventricles. For many people, AFib may have no symptoms. But AFib may cause a fast, pounding heartbeat, shortness of breath or light-headedness. […] Symptoms of AFib may include: Feelings of a fast, fluttering or pounding heartbeat, called palpitations. Chest pain. Dizziness. Fatigue. Lightheadedness. Reduced ability to exercise. Shortness of breath. Weakness.

• #18 Atrial fibrillation – Symptoms and causes – Mayo Clinic

  https://www.mayoclinic.org/diseases-conditions/atrial-fibrillation/symptoms-causes/syc-20350624

  Atrial fibrillation may be: Occasional, also called paroxysmal atrial fibrillation. AFib symptoms come and go. The symptoms usually last for a few minutes to hours. Some people have symptoms for as long as a week. The episodes can happen repeatedly. Symptoms might go away on their own. Some people with occasional AFib need treatment. […] Persistent. The irregular heartbeat is constant. The heart rhythm does not reset on its own. If symptoms occur, medical treatment is needed to correct the heart rhythm. […] Long-standing persistent. This type of AFib is constant and lasts longer than 12 months. Medicines or a procedure are needed to correct the irregular heartbeat. […] Permanent. In this type of atrial fibrillation, the irregular heart rhythm can’t be reset. Medicines are needed to control the heart rate and to prevent blood clots.

• #19 Ventricular Arrhythmia: Causes, Symptoms & Treatment

  https://my.clevelandclinic.org/health/diseases/21854-ventricular-arrhythmia

  Ventricular arrhythmias are abnormal heart rhythms that make the lower chambers of your heart twitch instead of pump. This can limit or stop your heart from supplying blood to your body. While some of these arrhythmias are harmless and dont cause symptoms, some can have serious or even deadly effects on your body. […] A ventricular arrhythmia is an abnormal heart rhythm that affects just the lower chambers of your heart. Those lower chambers are what drive the hearts ability to pump blood throughout the body. While some of them are harmless and dont usually cause symptoms, some of these rhythm problems can have serious or even deadly effects on your body. […] The symptoms of ventricular arrhythmia depend on the type of arrhythmia. Some have no symptoms (especially non-sustained and benign arrhythmias).

• #20 Ventricular Arrhythmia: Causes, Symptoms & Treatment

  https://my.clevelandclinic.org/health/diseases/21854-ventricular-arrhythmia

  Ventricular tachycardia usually has the following symptoms: Chest pain (angina). Dizziness, feeling lightheaded or fainting. Shortness of breath or trouble breathing. Heart palpitations. […] Ventricular fibrillation typically causes a person to collapse or pass out. Sometimes, there are no warning signs before this takes place. If symptoms happen, they tend to appear just minutes before a person passes out. Symptoms often include: Chest pain (angina). Dizziness, feeling lightheaded and fainting. Nausea. Heart palpitations or an irregular or racing pulse. Shortness of breath or trouble breathing. […] Ventricular arrhythmias are most common in people who have heart-related conditions and diseases. As a result, the likelihood of developing these arrhythmias naturally increases as you get older. In addition, diseases that change the heart’s structure have a much higher risk of causing ventricular arrhythmias.

• #21 What Is Arrhythmia? Symptoms, Causes, Diagnosis, Treatment, and Prevention

  https://www.everydayhealth.com/arrhythmia/guide/

  Additionally, illegal drugs, such as cocaine, methamphetamines, and stimulants like caffeine and nicotine can cause arrhythmias. […] Common risk factors for arrhythmias include: Heart attack, Heart failure or cardiomyopathy, Abnormal heart valves, Congenital (present at birth) heart defects, High blood pressure, Sleep apnea, Smoking, Thyroid problems, Extreme emotional stress or anger. […] The frequency and duration of arrhythmia depends on the cause. For example, when an arrhythmia is caused by a treatable condition, like an overactive thyroid, the irregular heartbeat may go away when the thyroid problem is treated. Arrhythmias caused by progressive or permanent damage to the heart, however, tend to be long-term issues and may need to be managed with medications or treated with surgery.

• #22

  https://www.advocatehealth.com/health-services/advocate-heart-institute/conditions/heart-rhythm/severity-irregular-heartbeat

  Most of the time, an irregular heartbeat goes back to normal quickly and isnt a sign of a dangerous condition. […] An irregular heartbeat, also known as an arrhythmia, is a problem with the rate or rhythm of your heartbeat. It can feel like a fluttering, pounding or racing heartbeat. […] Talk to your doctor or call 911 to seek immediate medical care if you notice any of these irregular heartbeat symptoms: […] Fast heartbeat when you are at rest (more than 100 beats per minute) […] Slow heartbeat (fewer than 60 beats per minute) […] Heart palpitations where the heart skips a beat or beats too hard or fast […] Chest pain […] Shortness of breath […] Weakness, light-headedness or dizziness […] Loss of consciousness, blackouts or fainting. […] Yes, heart arrhythmias sometimes go away on their own. But if you notice any of the things mentioned above that go along with your arrhythmia, you should get it checked out as soon as possible. […] Irregular heart rates may happen because of serious heart diseases such as atrial fibrillation (AFib), cardiomyopathy, heart failure or coronary artery disease. […] Sometimes stress or other strong emotions can contribute to an irregular heartbeat.

• #23 Atrial fibrillation

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

  Over time, you may always have symptoms (permanent atrial fibrillation). […] You currently have a fast or irregular heartbeat, and any of these symptoms: chest pain; shortness of breath; sweating; feeling or being sick; fainting, feeling dizzy or falling over; a severe headache; weakness or numbness on one side of your face or body; blurred vision or loss of sight; confusion or difficulty speaking. […] Atrial fibrillation is caused by a problem with the electrical system that makes your heart beat. […] 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.

• #24 Arrhythmia | Heart rhythm problems – Heart Foundation NZ

  https://www.heartfoundation.org.nz/your-heart/heart-conditions/arrhythmia

  People with healthy hearts may have harmless irregular heart rhythms from time to time. However, an irregular heartbeat can be a sign of a heart condition. […] There are lots of things that can cause an irregular heart rate or rhythm. […] If you have an irregular heartbeat problem that comes and goes (paroxysmal arrhythmia), you’ll find there are certain things that may trigger an episode. […] It’s a good idea to work out what triggers your heart rhythm problem and avoid those triggers where possible. […] The type of treatment you’ll get for an arrhythmia will depend on the type of irregular heart rhythm you have, and the kind of symptoms that you’re experiencing. […] Common treatments for arrhythmias include medication, cardioversion, catheter ablation, pacemaker, ICD (implantable cardioverter defibrillators).

• #25 Arrhythmia – Wikipedia

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

  Some types of arrhythmia result in cardiac arrest, or sudden death. […] Arrhythmia affects millions of people. In Europe and North America, as of 2014, atrial fibrillation affects about 2% to 3% of the population. Atrial fibrillation and atrial flutter resulted in 112,000 deaths in 2013, up from 29,000 in 1990. However, in most recent cases concerning the SARS-CoV2 pandemic, cardiac arrhythmias are commonly developed and associated with high morbidity and mortality among patients hospitalized with the COVID-19 infection, due to the infection’s ability to cause myocardial injury. Sudden cardiac death is the cause of about half of deaths due to cardiovascular disease and about 15% of all deaths globally. About 80% of sudden cardiac death is the result of ventricular arrhythmias. Arrhythmias may occur at any age but are more common among older people. Arrhythmias may also occur in children; however, the normal range for the heart rate varies with age.

• #26 Cardiac Arrhythmia (Irregular Heartbeat) | Mass General Brigham

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

  Cardiac arrhythmia may not cause any symptoms. In cases where symptoms occur, people with cardiac arrhythmia can experience the following: […] Difficulty catching breath […] Disorientation or feeling confused […] Feeling faint […] Heart palpitations […] High levels of anxiety […] High levels of fatigue from low levels of activity […] Lightheadedness […] Pain in the chest […] Unusually fast pulse (tachycardia) […] Unusually slow pulse (bradycardia). […] Atrial fibrillation is the most common type of cardiac arrhythmia. The risk of developing this type of heart arrhythmia increases with age. […] Occasionally, an irregular heartbeat may only occur briefly before returning to normal. However, if this happens often or in prolonged episodes, it can present several health risks. Depending on the type of heart arrhythmia in question, and other health factors, leaving this condition untreated could lead to stroke or other life-threatening problems. […] If you notice your heart beating too slowly or too rapidly, you may want to schedule an appointment to be examined. If you are experiencing severe symptoms of cardiac arrhythmia, seek medical aid promptly.

• #27 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. […] Arrhythmias are caused by a problem in this conduction system, which can make your heart beat too slowly, too quickly, or in an irregular way. […] 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. […] You should speak to your GP about your symptoms if: your palpitations last a long time, don’t improve or get worse, you have a history of heart problems, you’re concerned about the palpitations. […] Some underlying conditions which could cause an arrhythmia are: a heart attack, heart failure, cardiomyopathy, coronary heart disease. […] Most arrhythmias are manageable. This means that with the right treatment you can carry on living as you were before you were diagnosed.

• #28 Atrial fibrillation – Symptoms and causes – Mayo Clinic

  https://www.mayoclinic.org/diseases-conditions/atrial-fibrillation/symptoms-causes/syc-20350624

  Blood clots are a dangerous complication of atrial fibrillation (AFib). Blood clots can lead to stroke. […] The risk of stroke from AFib increases as you grow older. Other health conditions also may increase the risk of a stroke due to AFib. These conditions include: High blood pressure. Diabetes. Heart failure. Some types of heart valve disease.

• #29 What Is Arrhythmia? Symptoms, Causes, Diagnosis, Treatment, and Prevention

  https://www.everydayhealth.com/arrhythmia/guide/

  Arrhythmias can be treated with lifestyle modification, medications, or medical procedures/surgery. […] Medications can slow down a heartbeat that is too fast. They can also be used to even out or stabilize an abnormal heart rhythm. […] Some arrhythmias, including heartbeats that are too slow, can be treated with a pacemaker. […] If an arrhythmia is life-threatening, such as ventricular tachycardia or ventricular fibrillation, your doctor may recommend an implantable cardioverter defibrillator (ICD). […] Complications of arrhythmias can include: Stroke, Heart Failure, Sudden Cardiac Arrest. […] Certain conditions make arrhythmias more likely, including hyperthyroidism, or an overactive thyroid, and sleep apnea. […] Sleep apnea is a sleep disorder in which breathing repeatedly stops and starts during sleep. The condition increases the risk of heart problems, including heart attack, stroke, and arrhythmias like atrial fibrillation.

• #30 What Is Arrhythmia? Symptoms, Causes, Diagnosis, Treatment, and Prevention

  https://www.everydayhealth.com/arrhythmia/guide/

  Some arrhythmias are medical emergencies. During an arrhythmia, the heart may not be able to pump enough blood to the body and may stop working. […] If you experience the following symptoms, call 911: Significant weakness, dizziness, or light-headedness, Fainting, Shortness of breath, Chest pain, Blurred vision. […] Arrhythmias happen when the electrical signals that control your heartbeat dont work properly. […] A normal heartbeat can also be disrupted if the heart produces too many electrical signals. […] Arrhythmias are common in older adults, who are more likely to have heart disease, high blood pressure, and other health conditions that can cause arrhythmias. […] Some medications can also cause arrhythmias as a side effect, including tricyclic antidepressants (TCAs), antihistamines, and beta-blockers.

• #31 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.

• #32 Arrhythmia: Symptoms, Types, Causes, Treatment, Prevention

  https://www.healthline.com/health/arrhythmia

  Different types of arrhythmias, especially when untreated, may lead to life threatening conditions. These complications include: heart failure, stroke, dementia, cardiac arrest, arrhythmias that get worse or cause other symptoms. […] Arrhythmia can occur without symptoms or side effects. […] Some types of arrhythmia may be more serious and potentially life threatening. The outlook depends on the type and severity of the arrhythmia along with your other health conditions.

• #33 Heart Arrhythmias: Symptoms & Causes | NewYork-Presbyterian

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

  Seek immediate medical attention if your symptoms include shortness of breath, dizziness or lightheadedness, fainting, or chest discomfort and pain. […] Arrhythmias can cause various health complications such as dizziness, lightheadedness, or fainting. In severe cases, they can also cause heart failure and cardiac arrest. If an arrhythmia causes stagnant blood, it can increase the risk of blood clots. This can result in a stroke. Arrhythmias are the most common cause of sudden cardiac death (SCD). When the electrical signals in the heart are severely misfiring, and the heart cannot pump blood, this can result in death within minutes without treatment.

• #34 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.

• #35 Irregular heartbeat: symptoms and causes • Heart Research Institute

  https://www.hri.org.au/health/learn/cardiovascular-disease/irregular-heartbeat-symptoms-and-causes

  Irregular heartbeat can lead to further health complications. […] One in every three strokes is linked to atrial fibrillation, and these strokes are more severe than other strokes. […] People with atrial fibrillation are also five times more likely to have a stroke compared to those without. […] Having prolonged irregular heartbeat can result in heart failure. When the heart is failing, it cannot pump enough blood and oxygen to meet the body’s needs.

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

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

  Get emergency medical care if you have these heart symptoms: Chest pain. Shortness of breath. Fainting. […] 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.

• #37 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.

• #38 Arrhythmia, Irregular Heartbeat Symptoms | Froedtert & MCW

  https://www.froedtert.com/arrhythmia

  If you experience any of these symptoms, you should be checked out. Some abnormal heartbeats are serious by themselves, others only if there are symptoms. If you feel any irregularity in heart beats, you should bring this up to your primary care provider as soon as possible. […] If the irregular beats are associated with severe symptoms such as shortness of breath, chest discomfort or lightheadedness/dizziness, it is best to get into the closest Urgent Care or Emergency Department for diagnosis and prompt treatment. […] With a few exceptions, all arrhythmias are treatable. This is especially true in our program, where leading arrhythmia experts specialize in treating complex irregular heart rhythm problems.

• #39 Heart arrhythmia – Symptoms, Causes, Diagnosis and Treatment | MedPark Hospital

  https://www.medparkhospital.com/en-US/disease-and-treatment/heart-arrhythmia

  When your heart beats irregularly due to faulty electrical signals, it may be due to a heart arrhythmia. You may experience a heart that is racing or fluttering. […] Some heart arrhythmias can be harmless, while others can be life-threatening. […] The irregular heartbeat may be asymptomatic and could only be detectable during an exam for other medical conditions. However, some signs and symptoms may include: Chest pain, Shortness of breath, Tachycardia, Bradycardia, Fluttering heart, Dizziness, Sweating, Syncope, Fatigue, Anxiety. […] Seek medical attention if you experience shortness of breath, dizziness, fainting, chest pain, and your heartbeat is too fast, too slow, or skipping. […] Ventricular fibrillation can cause your blood pressure to drop dramatically, leading to sudden collapse and eventual absence of pulse and breathing. […] If you experience a heart arrhythmia longer than 2-3 minutes, chest pain, shortness of breath, or fainting, call for an ambulance or have someone drive you to the nearest hospital.

• #40

  https://www.sgh.com.sg/patient-care/conditions-treatments/abnormal-heart-rhythm-arrhythmia

  The symptoms of an arrhythmia or abnormal heart rhythm include: A fast heartbeat, pounding or fluttering chest sensations, Skipping a heartbeat, Dizziness or fainting spells, Shortness of breath, Chest pain. […] Please seek immediate medical help if your abnormal heart rhythm is 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. […] If ventricular tachycardia is left untreated, it will lead to a life-threatening condition called ventricular fibrillation, characterised by very fast and very irregular heartbeats. It usually precedes a heart attack. You could lose consciousness within seconds and die within minutes.

• #41 Ventricular Arrhythmia: Causes, Symptoms & Treatment

  https://my.clevelandclinic.org/health/diseases/21854-ventricular-arrhythmia

  What you can do to manage your ventricular arrhythmia strongly depends on your specific type of arrhythmia. In many cases, the most you can do is take your medication as instructed and see your doctor regularly as they recommend. You should also pay attention to your symptoms and report any changes to your doctor, especially if symptoms suddenly change or get worse. […] Your healthcare provider can give you more information on things to watch for, especially indicators of future problems. In general, you should see your provider if you notice that your symptoms are changing or if they begin to affect your day-to-day life. You should also see a healthcare provider at least once a year for an annual physical, which can be a key way to catch health problems early.

• #42 Arrhythmia | Heart rhythm problems – Heart Foundation NZ

  https://www.heartfoundation.org.nz/your-heart/heart-conditions/arrhythmia

  If you’ve been recently diagnosed with an arrhythmia, you’ve probably got a lot of questions. You may be wondering how serious your condition is and what it means for your future. […] You have an important role to play in the long-term management of your heart rhythm condition. Having a good understanding of your condition and its treatment can help you manage your condition more successfully.

• #43

  https://www.beaumont.org/services/heart-vascular/heart-rhythm-services/arrhythmia

  Many arrhythmias are not dangerous, but you should still have them checked by a doctor who can diagnose your arrhythmias and treat them if necessary. […] Arrhythmias can be difficult to diagnose because they often pass quickly, so some tests and physical exams may not catch them. […] You can help your doctor by keeping track of your diet and exercise routine and when you have arrhythmias. If you have intermittent arrhythmias, analyzing this information will help you and your doctor understand what may bring on your arrhythmias.

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

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

  A fast heart rate can cause different problems based on where it happens. […] Ventricular tachycardia: If you have a rapid heartbeat in the lower chambers of your heart, the heart’s contractions may not be strong enough to push all the blood you need to your brain and the rest of your body. […] Ventricular fibrillation: This type of arrhythmia occurs when fast, disorganized electrical signals cause the lower heart chambers to quiver uselessly instead of working to pump blood, and can cause a severe drop in blood pressure and sudden fainting. Ventricular fibrillation is the leading cause of sudden cardiac death. […] But make an appointment with your primary care doctor or cardiologist if: The changes in your heart rhythm are constant or don’t go away, You feel lightheaded or dizzy when experiencing changes in your heart’s rhythm, Your symptoms are more frequent or more severe, You have a personal or family history of heart disease, If you’ve had a heart attack.

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

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

  If your irregular heartbeat needs care, your doctor or cardiologist may recommend one or more of these options: Blood-thinning medicines, Rate-control medicines, Rhythm-control medicines, Catheter ablation procedure, Cardioversion procedure, Pacemaker, Implantable cardioverter defibrillators (ICDs), Lifestyle changes.

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