Examples of A-fib in a Sentence
Recent Examples on the Web
Atrial fibrillation, or A-fib, is the most common arrhythmia, characterized by an irregular and rapid heartbeat beginning in the upper chambers, or atria, of the heart.
—
Kristen Rogers, CNN Money, 17 Apr. 2025
Been hospitalized 3 times since June with A-fib. Scary.
—Matt Robison, Newsweek, 21 Nov. 2024
Related article Diet drinks may boost risk of dangerous heart condition by 20%, study says
The rate of atrial fibrillation in the US is growing — estimates suggest up to 16 million people will have A-fib by 2050.
—Sandee Lamotte, CNN, 10 Oct. 2024
While everyone isn't sensitive to the effects of alcohol on their heart rhythm, having certain conditions can increase your risk for A-fib after consuming alcohol.
—Anna Giorgi, Verywell Health, 6 Sep. 2024
Even without symptoms, however, a patient with A-fib is still at risk of developing a blood clot and having a stroke, Pickett said.
—Ed Stannard, Hartford Courant, 23 Feb. 2024
In November 2023 leading medical groups issued new guidelines for preventing and treating A-fib.
—Lydia Denworth, Scientific American, 1 Feb. 2024
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
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Kristen Rogers, CNN Money, 17 Apr. 2025
Been hospitalized 3 times since June with A-fib. Scary.
—Matt Robison, Newsweek, 21 Nov. 2024
Related article Diet drinks may boost risk of dangerous heart condition by 20%, study says
The rate of atrial fibrillation in the US is growing — estimates suggest up to 16 million people will have A-fib by 2050.
—Sandee Lamotte, CNN, 10 Oct. 2024
While everyone isn't sensitive to the effects of alcohol on their heart rhythm, having certain conditions can increase your risk for A-fib after consuming alcohol.
—Anna Giorgi, Verywell Health, 6 Sep. 2024
Even without symptoms, however, a patient with A-fib is still at risk of developing a blood clot and having a stroke, Pickett said.
—Ed Stannard, Hartford Courant, 23 Feb. 2024
In November 2023 leading medical groups issued new guidelines for preventing and treating A-fib.
—Lydia Denworth, Scientific American, 1 Feb. 2024
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
Cite this Entry
“A-fib.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/A-fib. Accessed 15 Jul. 2025.
Copy CitationMedical Definition
A-fib
noun
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
ForbesIndividuals 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
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