microreentry

microreentry

 [mi″kro-re-en´tre]
reentry involving a small circuit, such as one within the atrioventricular node or Purkinje fibers.

microreentry

[-rē·en′trē]
Etymology: Gk, mikros + L, re, again; Fr, entree, entry
the reactivation of myocardial tissue by an impulse transmitted along a very small circuit within the conductive tissue of the heart.