Extrasystole

noun

noun ·Uncommon ·Advanced level

Definitions

Noun
  1. 1
    A premature contraction of the heart, producing an interruption or irregularity in heartbeat rhythm, associated with heart disease or the use of some pharmaceuticals.

    "An extrasystole originating at the rhythmic centre is thus followed by a returning cycle of natural length."

  2. 2
    a premature systole resulting in a momentary cardiac arrhythmia wordnet

Synonyms

All synonyms
anginaapoplexyarteriosclerosisatherosclerosiscardiac arrestcoronary

Example

More examples

"An extrasystole originating at the rhythmic centre is thus followed by a returning cycle of natural length."

Etymology

From extra- + systole.

Related phrases

heart diseaseskipped heartbeat

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.