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
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The researchers noted that one child did develop hyperlipidemia (high cholesterol) and cardiac arrhythmia (irregular heartbeat) — as the child's mother had hyperlipidemia during pregnancy — but both conditions responded to treatment.
—
Angelica Stabile, FOXNews.com, 25 July 2025
Potential downsides of this beverage include: Heart risks: In some, consuming too much potassium from coconut water can cause arrhythmia (irregular heartbeat), which can lead to potentially fatal heart issues.
—Mark Gurarie, Verywell Health, 15 July 2025
Severe cases increase the risk of dangerous arrhythmias that can be life-threatening.
—Lucy Notarantonio, MSNBC Newsweek, 12 July 2025
This includes: Potassium overload (hyperkalemia): High potassium levels can lead to arrhythmia (irregular heartbeats) and muscle weakness.
—Lauren O'Connor, Health, 8 July 2025
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Angelica Stabile, FOXNews.com, 25 July 2025
Potential downsides of this beverage include: Heart risks: In some, consuming too much potassium from coconut water can cause arrhythmia (irregular heartbeat), which can lead to potentially fatal heart issues.
—Mark Gurarie, Verywell Health, 15 July 2025
Severe cases increase the risk of dangerous arrhythmias that can be life-threatening.
—Lucy Notarantonio, MSNBC Newsweek, 12 July 2025
This includes: Potassium overload (hyperkalemia): High potassium levels can lead to arrhythmia (irregular heartbeats) and muscle weakness.
—Lauren O'Connor, Health, 8 July 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 5 Aug. 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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