Extrasystole

noun

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

Etymology

From extra- + systole.

Next best steps

Mini challenge

Unscramble this word: extrasystole