Atrial Fibrillation Articles

Several short articles on atrial fibrillation are provided on this Web page. Atrial fibrillation is a condition that occurs when there is a problem in the heart's electrical system, resulting in a heartbeat that is faster or slower than normal. For additional articles on atrial fibrillation, please visit eMedTV's atrial fibrillation health channel.

What Is Atrial Fibrillation?

Atrial fibrillation is a type of abnormal heart rhythm -- also known as an arrhythmia. Sometimes, the condition is called "a-fib" for short. It occurs when something goes wrong with the heart's electrical control system.
 
(Click Atrial Fibrillation for a detailed look at this condition, including risk factors and how it affects the heart.)
 

What Causes It?

The causes of atrial fibrillation aren't always known, and many people who develop the condition already live a healthy lifestyle and don't have any other health concerns. In most cases, however, the cause is known. Some of the more common causes include:
 
  • Heart problems
  • Surgery
  • Other medical conditions.
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(Click Causes of Atrial Fibrillation to learn more.)
 

Symptoms of Atrial Fibrillation

The most common symptoms of this condition are:
 
  • Heart palpitations (feeling like your heart is racing or pounding)
  • Feeling like your heart is fluttering
  • An irregular heartbeat or pulse that is faster than normal
  • Tightness or discomfort in your chest.
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These symptoms occur because the electrical signals in your heart are causing it to beat at an unusually fast and irregular rate.
 
(Click Symptoms of Atrial Fibrillation for more information.)
 

Atrial Fibrillation Articles

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