Definition of A–fib
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Origin and Etymology of a–fib
by shortening
First Known Use: 1988
Medical Dictionary
A–fib
play
noun
\ˈā-ˈfib\
variants: also
AFib
orAfib
Medical Definition of A–fib
: 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, 13 July 2009 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, Nov. 2008
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