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AFib

American  
[ey-fib] / ˈeɪˌfɪb /

abbreviation

Pathology.
  1. atrial fibrillation.


Etymology

Origin of AFib

First recorded in 1985–90

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

But then my AFib kicked in and acid reflux kicked in and pneumonia kicked in.

From Los Angeles Times • May 27, 2026

So far, it is used in only 40% of AFib procedures, but we think it will reach 50%, on its way to 80% as more doctors are trained.

From Barron's • Jan. 16, 2026

Boston’s Farapulse is rapidly gaining market share; it is a step change in AFib treatment.

From Barron's • Jan. 16, 2026

Rates of AFib have been climbing in recent years, largely due to aging populations and increasing obesity.

From Science Daily • Nov. 10, 2025

Marcus added that "caffeine is also a diuretic, which could potentially reduce blood pressure and in turn lessen AFib risk. Several other ingredients in coffee also have anti-inflammatory properties that could have positive effects."

From Science Daily • Nov. 10, 2025

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