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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

It is a device that reduces stroke risk for AFib patients by sealing the left atrial appendage, which is where stroke risk starts.

From Barron's • Jan. 16, 2026

Ahlsten: About 10 million patients in the U.S. have AFib, and eight million are at higher risk of a stroke.

From Barron's • Jan. 16, 2026

The trial involved 200 patients who were regular coffee drinkers and had persistent AFib or a related condition known as atrial flutter, along with a history of AFib.

From Science Daily • Nov. 10, 2025

For years, doctors have advised people with AFib and other heart issues to stay away from caffeine, fearing it could worsen symptoms.

From Science Daily • Nov. 10, 2025

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