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Heart Arrhythmia

A heart arrhythmia is any type of irregular heartbeat. It could mean your heart is beating too fast, too slow or that the heartbeat is uncoordinated.

Atrial fibrillation, also called A-fib, is the most common cardiac arrhythmia. It is an irregular, rapid heart rate that can cause poor blood flow to the body. In patients with A-fib, the two upper chambers of the heart (the atria) are beating out of sync with the lower chambers.

A normal resting heart rate for an adult is between 60-100 beats per minute. A common heart rate for a patient with untreated atrial fibrillation is between 80-160 beats per minute. Since the atria quiver instead of contracting normally, the amount of blood pumped out of the heart with each beat is decreased.

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