macroreentry

macroreentry

 [mak″ro-re-en´tre]
reentry involving a circuit of electrical current that uses the bundle branches to rapidly activate the heart, causing ventricular tachycardia with a pattern like bundle branch block and a relatively narrow QRS component.
References in periodicals archive ?
sup][2] Most of these ATs locate in LA, and here, we described a biatrial macroreentry AT (MAT) after AF ablation.
The activation sequence achieved in PVA showed a macroreentry rotating around the TV clockwise.