Atrial fibrillation, also known as afib or A-fib, is a medical condition that causes the heart to beat irregularly and quickly. It affects more than 3 million people in the US.
Atrial fibrillation, also known as afib or A-fib, is a medical condition that causes the heart to beat irregularly and quickly. It affects more than 3 million people in the US.
Atrial fibrillation (AFib or AF) is when your heart’s upper chambers (Atria) beat irregularly and out of sync. The heart’s pumping function isn’t as strong or efficient as it should be because the atria aren’t squeezing in rhythm as they should be.
Atrial fibrillation (AFib) is one of the most common heart arrhythmias (irregular or abnormal beating). It happens when your heart’s upper chambers (the atria) beat abnormally fast and out of rhythm.