Skipping A Beat
Reader's Digest International|September 2017

Atrial fibrillation—what it is and what to do

Samantha Rideout
Skipping A Beat

THE MOST COMMON kind of heart-rhythm abnormality, atrial fibrillation (AFib) affects about six percent of people over 65. It happens when the atria—the heart’s two upper chambers—contract quickly and chaotically. Whereas a normal resting heart rate ranges between 60 and 100 beats per minute, a resting heart affected by AFib may at times beat between 100 and 175 times within the same time period.

This story is from the September 2017 edition of Reader's Digest International.

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This story is from the September 2017 edition of Reader's Digest International.

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