excitation wave
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ex·ci·ta·tion wave
a wave of altered electrical conditions that is propagated along a muscle fiber preparatory to its contraction.
Farlex Partner Medical Dictionary © Farlex 2012
ex·ci·ta·tion wave
(ek'sī-tā'shŭn wāv)A wave of altered electrical conditions that is propagated along a muscle fiber preparatory to its contraction.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
excitation wave
The wave of irritability originating in the sinoatrial node that sweeps over the conducting tissue of the heart and induces contraction of the atria and ventricles.
See also: wave
Medical Dictionary, © 2009 Farlex and Partners