reentrant pathway

the pathway over which over which an impulse is conducted in reentry (q.v); see also reentrant mechanism, under mechanism.

Medical dictionary. 2011.

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  • reentry — Return of the same impulse into a zone of heart muscle that it has recently activated, sufficiently delayed that the zone is no longer refractory, as seen in most ectopic beats, reciprocal rhythms, and most tachycardias. * * * re·en·try ( )rē en… …   Medical dictionary

  • antidromic atrioventricular reciprocating tachycardia — antidromic circus movement tachycardia a reentrant tachycardia in which the reentrant circuit involves anterograde conduction over the accessory pathway and retrograde conduction over the normal pathway through the AV node and the His bundle. Cf …   Medical dictionary

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