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What Is Atrial Fibrillation?
An arrhythmia is defined as trouble with the rate or rhythm of a person’s heartbeat. Atrial fibrillation (AFib) is the most common form of arrhythmia. It occurs when the two upper chambers of the heart, called the atria, contract rapidly …
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Heart Health 101
Your heart is an amazing machine. Though it is small—only about the size of a fist—it does a huge job. Every day, every hour, every minute, it pumps blood throughout your body, making it critical to your health. So what …