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An arrhythmia is a problem with the rate or rhythm of your heartbeat. It means that your heart beats too quickly, too slowly, or with an irregular pattern. When the heart beats faster than normal, it is called tachycardia. When the heart beats too slowly, it is called bradycardia. The most common type of arrhythmia is atrial fibrillation, which causes an irregular and fast heart beat.

Many factors can affect your heart's rhythm, such as having had a heart attack, smoking, congenital heart defects, and stress. Some substances or medicines may also cause arrhythmias.

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Results 1 - 10 of 1,256 for irregular heartbeat
  1. Arrhythmia (National Library of Medicine)  
    An arrhythmia is a problem with the rate or rhythm of your heartbeat. It means that your heart beats ... is called bradycardia. The most common type of arrhythmia is atrial fibrillation, which causes an irregular and ...
  2. ... features on this page, please enable JavaScript. Treating Irregular Heartbeat With Digoxin May Come With Risks Study finds ... finds. Atrial fibrillation is a common form of irregular heartbeat that has been linked to a rise in ...
  3. ... From Heart Disease Down, Up for Blood Pressure, Irregular Heartbeat Obesity and aging population may be contributing factors, ... but deaths related to high blood pressure and irregular heartbeats are on the rise, a new government study ...
  4. ... Diet May Be Key to Beating a Common Irregular Heartbeat Atrial fibrillation often hits older people, but study ... Atrial fibrillation is a potentially dangerous form of irregular heartbeat for older Americans. However, a new study suggests ...
  5. ... JavaScript. Fish Oil Supplements Have Little Effect on Irregular Heartbeat: Study Atrial fibrillation increases the risk for stroke, ... prevent the return of a common type of irregular heartbeat known as atrial fibrillation, Canadian researchers report. In ...
  6. ... please enable JavaScript. Hard Hit to Chest Triggered Irregular Heartbeat in Teen Football Player But case report notes 16-year-old's heart returned to normal in three days after rare occurrence (*this news item ... during a football game resulted in three days of an irregular heart rhythm for a 16-year-old player, ...
  7. ... sharing features on this page, please enable JavaScript. Irregular Heartbeat Doubles Risk for 'Silent Strokes,' Review Suggests Finding ...
  8. ... Device May Cut Stroke Risk in Those With Irregular Heartbeat: Study Mesh implant keeps clots that can form ...
  9. ... and Simple Snoring VIDEO: If I Had - An Irregular Heartbeat and Was Diagnosed With Long QT Syndrome- Dr. ... to Home Page VIDEO: If I Had - An Irregular Heartbeat and Was Diagnosed With Long QT Syndrome- Dr. ...
  10. Heartbeat sensations; Irregular heartbeat; Palpitations; Heart pounding or racing ... the time. Sensations representing an abnormal heart rhythm ( arrhythmia ) may be more serious. The following conditions make ...
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