A-fib

noun

ˈā-ˈfib 

variants or less commonly AFib or Afib

: atrial fibrillation

Examples of A-fib in a Sentence

Recent Examples on the Web

Specifically, the Apple Watch is qualified for use as a secondary endpoint in clinical trials for cardiac ablation devices, which reduce the electrical signals that cause A-fib by scarring the heart with extreme heat or cold energy. —Mario Aguilar, STAT, 8 May 2024

In November 2023 leading medical groups issued new guidelines for preventing and treating A-fib. —Lydia Denworth, Scientific American, 16 Jan. 2024

Word History

Etymology

by shortening

First Known Use

1988, in the meaning defined above

Medical Definition

A-fib

noun

ˈā-ˈfib 

variants also AFib or Afib

: atrial fibrillation

A-fib occurs when the top chambers of the heart, responsible for bringing blood back from the rest of the body, start to flutter.

—Forbes

Individuals who walked two to three miles per hour … had a 32 percent lower risk of developing AFib, whereas those who walked more than three miles per hour (moderate pace) lowered their risk by 41 percent.

—Food & Fitness Advisor