Atrial fibrillation

From Health Encyclopedia

Used for

auricular fibrillation

Broader Terms

arrhythmia

Facts

• Atrial fibrillation is an abnormal rhythm of the heart.
• Atrial fibrillation is the most common irregular heart rhythm in the United States.
• Atrial fibrillation is the most common sustained heart rhythm disorder and increases the risk for heart disease and stroke, both leading causes of death in the United States.
• Extremely rapid, irregular impulses in the upper chambers (atria) of the heart.
• A-fib greatly decreases the efficiency of the heart and its ability to move blood.

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