atrial fibrillation

[ey-tree-uhl fib-ruh-ley-shuhn]

noun

Pathology.

1. a cardiac arrhythmia, or irregular heartbeat, caused by rapid, chaotic electrical impulses to the atria. AF, AFib.

Word History and Origins

Origin of atrial fibrillation¹

First recorded in 1905–10

Example Sentences

The positive result came after Bayer stopped a trial of the same drug to prevent stroke in patients with atrial fibrillation two years ago, because an existing treatment called apixaban performed better.

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Sales of the company’s cardiac ablation products, a set of treatments for the heart condition atrial fibrillation, were up 71% compared with the same quarter last year.

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SGK1 inhibitors are already being evaluated for use in other conditions, including atrial fibrillation.

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As many as 25 million Americans might have atrial fibrillation without showing symptoms, and iRhythm’s fans hope doctors will use its patch to screen older patients who are at moderate risk of heart problems.

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Part of the cardio growth story is the Watchman product, a small implant that closes the left atrial appendage of patients with atrial fibrillation, or AF.

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