Meaning of extrasystole

ex•tra•sys•to•le

Pronunciation: (ek"stru-sis'tu-lē), [key]
— n. Pathol.
  1. a premature contraction of the heart, resulting in momentary interruption of the normal heartbeat. Also called
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
See also:
Play Poptropica Worlds

Download Poptropica and play for free!

Explore a limitless universe of uncharted islands
App store
Google Play