arrhythmia
noun
ar·rhyth·mia
ā-ˈrit͟h-mē-ə 
: an alteration in rhythm of the heartbeat either in time or force
Examples of arrhythmia in a Sentence
Recent Examples on the Web
One common example of an arrhythmia is atrial fibrillation (AFib), which begins in the upper chambers of the heart.
—
Melissa Rudy, FOXNews.com, 26 June 2025
Many participants reported regularly steering clear of cold foods and drinks because of their afib, and among this group, 86 percent said this habit helped eliminate or greatly reduce their arrhythmia.
—Tom Gavin, EverydayHealth.com, 24 June 2025
Your Heart Rate and Blood Pressure Increase Energy drinks contain high levels of caffeine, which can lead to issues with heart function and the cardiovascular system, including heart palpitations and arrhythmias.
—Angelica Bottaro, Verywell Health, 25 June 2025
Although many have heard of heart disease, which affects the heart’s function, some aren’t aware of the number of various diseases like coronary artery disease, heart failure, and arrhythmias that are related.
—Dominique Fluker, Essence, 12 June 2025
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Melissa Rudy, FOXNews.com, 26 June 2025
Many participants reported regularly steering clear of cold foods and drinks because of their afib, and among this group, 86 percent said this habit helped eliminate or greatly reduce their arrhythmia.
—Tom Gavin, EverydayHealth.com, 24 June 2025
Your Heart Rate and Blood Pressure Increase Energy drinks contain high levels of caffeine, which can lead to issues with heart function and the cardiovascular system, including heart palpitations and arrhythmias.
—Angelica Bottaro, Verywell Health, 25 June 2025
Although many have heard of heart disease, which affects the heart’s function, some aren’t aware of the number of various diseases like coronary artery disease, heart failure, and arrhythmias that are related.
—Dominique Fluker, Essence, 12 June 2025
See All Example Sentences for arrhythmia
Cite this Entry
“Arrhythmia.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/arrhythmia. Accessed 21 Jul. 2025.
Copy CitationMedical Definition
arrhythmia
noun
ar·rhyth·mia
ā-ˈrit͟h-mē-ə
: an alteration in rhythm of the heartbeat either in time or force
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