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sinus rhythm
noun
: the rhythm of the heart produced by impulses from the sinus node
restored the patient to normal sinus rhythm
Examples of sinus rhythm in a Sentence
Recent Examples on the Web
The goal will be to restore normal sinus rhythm (a normal heartbeat rhythm) while protecting both the pregnant person and the fetus.
—Patty Weasler, Rn, Bsn, Verywell Health, 3 Jan. 2025
In emergency situations, when a person is unstable, electrical cardioversion can convert AFib to normal sinus rhythm.
—Matt Robison, Newsweek, 21 Nov. 2024
The results demonstrated that the hearts stored in XT-Vivo regained a regular heartbeat and sinus rhythm after sub-zero preservation, while the others didn’t.
—Allison Futterman, Discover Magazine, 6 Apr. 2022
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Word History
First Known Use
1911, in the meaning defined above
Dictionary Entries Near sinus rhythm
Cite this Entry
“Sinus rhythm.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sinus%20rhythm. Accessed 20 Jan. 2025.
Medical Definition
sinus rhythm
noun
: the rhythm of the heart produced by impulses from the sinoatrial node
More from Merriam-Webster on sinus rhythm
Britannica.com: Encyclopedia article about sinus rhythm
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