Multifocal atrial arrhythmia is an uncommon type of tachycardia that usually develops in people with certain illnesses. Those with the condition have a heart rate of over 100 beats per minute.

In the U.S., atrial fibrillation (AF), a heart condition that causes an irregular heartbeat in the upper chambers of the heart, affects up to one in three people in their lifetime. Significant ...

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New prevalence estimates of atrial fibrillation found that approximately 10.5 million US adults, or 5% of the population, have the condition. An aging population in tandem with increasing hypertension ...

Atrial fibrillation, a rapid, irregular heartbeat that can lead to stroke or sudden death, is three times more common than previously thought, affecting nearly 5% of the population, or 10.5 million ...

LONDON — Updated guidelines for the management of atrial fibrillation released by the European Society of Cardiology are revamping the approach to care for this complex, multifactorial disease. The ...