ectopic impulse


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ec·top·ic im·pulse

an electrical impulse from an area of the heart other than the sinus node.
Farlex Partner Medical Dictionary © Farlex 2012

ectopic impulse

A cardiac impulse arising in some part of the heart other than the sinoatrial node.
See also: impulse
Medical Dictionary, © 2009 Farlex and Partners
References in periodicals archive ?
The neuroma, therefore, becomes a source of ectopic impulses.
Even if a neuroma does not form, the injured axon may generate ectopic impulses (see Figure 3).
Because of the long R-P intervals and the normal P-R intervals, however, such ectopic impulses would be expected to be conducted to the ventricles.