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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 1,162 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. ... JavaScript. Blood Thinners Now Recommended for People With Irregular Heartbeat Updated guideline from American Academy of Neurology aims ... Feb. 24, 2014 (HealthDay News) -- People with an irregular heartbeat should take blood thinners to reduce their risk ...
  3. ... enable JavaScript. Warfarin Safe for Kidney Patients With Irregular Heartbeat: Study Use of the blood thinner may safely ... blood thinner warfarin to treat a form of irregular heartbeat are at no greater risk for stroke or ...
  4. ... Certain Prescription Painkillers Tied to Higher Risk of Irregular Heartbeat: Study Dutch researchers looked at rates of atrial ... increasing their risk for developing a type of irregular heartbeat called atrial fibrillation. Atrial fibrillation increases the risk ...
  5. ... Doctors' Groups Issue New Guidelines on Treating Common Irregular Heartbeat Atrial fibrillation can pose stroke danger, especially to ... rapidly and irregularly. Symptoms can include rapid and irregular heartbeat, heart palpitations, shortness of breath, dizziness, sweating, fatigue ...
  6. ... Surgery Might Top Drugs as First Therapy for Irregular Heartbeat: Study But safety issues may still make medications ... 54 percent) in the surgery group experienced an irregular and rapid heartbeat that lasted longer than 30 seconds. Surgery reduced ...
  7. ... 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. ...
  8. Heartbeat sensations; Irregular heartbeat; Palpitations; Heart pounding or racing ... not the sensations represent an abnormal heart rhythm ( arrhythmia ). The following conditions make you more likely to ...
  9. Propafenone is used to treat arrhythmia (irregular heartbeat) and to maintain a normal heart rate. Propafenone is in a class of medications called antiarrhythmics. It works by acting on the ...
  10. ... used to prevent certain types of life-threatening irregular heartbeats. Flecainide is in a class of medications called ... is surgically placed under the skin to control irregular heartbeats) and if you have or have ever had ...
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