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.

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.

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
References in periodicals archive ?
The purpose of this research was to study the spreading of the excitation wave along epicardium in the area of pulmonary veins ostia in the left atrium in rabbit in normal conditions and when cooling.
To better understand the meaning of K, consider the non-physical case where the excitation wave travels with the same phase speed along the line as a wave on the line: [beta] = [k.sub.p].
High chirality is found within the transmission bandwidth where low loss transmission of RCP and LCP excitation waves propagate through triple helix stacks with a different refractive index.