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
An arrhythmia is an abnormal heart rhythm, per the Cleveland Clinic, and cardiomyopathy refers to conditions that affect the heart muscle.
—
Becca Longmire, People.com, 9 May 2025
With these two contradictory responses, Dr. Fischman says there is the potential for arrhythmias, which is an abnormal heart rhythm.
—Melissa Willets, Parents, 26 Apr. 2025
Ventricular arrhythmias occur when the lower chambers of the heart, or ventricles, beat too fast.
—Kristen Rogers, CNN Money, 17 Apr. 2025
This could lead to more complex synchronization therapies, including those that treat arrhythmias.
—Andrew Paul, Popular Science, 2 Apr. 2025
See All Example Sentences for arrhythmia
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Becca Longmire, People.com, 9 May 2025
With these two contradictory responses, Dr. Fischman says there is the potential for arrhythmias, which is an abnormal heart rhythm.
—Melissa Willets, Parents, 26 Apr. 2025
Ventricular arrhythmias occur when the lower chambers of the heart, or ventricles, beat too fast.
—Kristen Rogers, CNN Money, 17 Apr. 2025
This could lead to more complex synchronization therapies, including those that treat arrhythmias.
—Andrew Paul, Popular Science, 2 Apr. 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 23 May. 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
Love words? Need even more definitions?
Merriam-Webster unabridged
Share