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Atrial Fibrillation (AFib): What Is, Causes, Triggers, and Treatment

What Is Atrial Fibrillation?

Atrial fibrillation is a heart condition causing irregular and rapid heartbeat. It is often referred to as AF and AFib. It develops in the heart’s upper chambers, leading to health issues like heart palpitations, dizziness, difficulty breathing, fatigue, chest pain, and confusion.

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