extrasystole

名词 n.
中文释义

英文释义

名词 n.
  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.

词形变化

extrasystoles plural

词源

Etymology tree
Proto-Indo-European *h₁éǵʰ
Proto-Indo-European *-s
Proto-Indo-European *h₁éǵʰs
Proto-Indo-European *-teros
Proto-Indo-European *h₁eǵʰsteros
Proto-Italic *eksteros
Latin exter
Latin extrā
English extra-
English systole
English extrasystole
From extra- + systole.
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