noun

arrhythmia

arrhythmia, irregular heartbeat

The doctor diagnosed him with an arrhythmia.

The doctor diagnosed him with an arrhythmia.

to have an arrhythmia to have an arrhythmia He has a cardiac arrhythmia.

Synonyms: irregular heartbeat, palpitation

From Greek 'a-' (not, without) + 'rhythmos' (rhythm). Literally means 'without rhythm'.

Break it down: 'a-' (no) + 'rhythm'. It means 'no rhythm' in the heartbeat.

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