rule of bigeminy

rule of bi·gem·i·ny

rule that a ventricular premature beat will follow the beat terminating a long cycle. Sudden prolongation of the ventricular cycle, by changing the refractoriness in the conduction system, causes a peripheral region of bidirectional block to become transiently unidirectional and thus opens potential pathways for reentry to occur.

rule of bigeminy

Etymology: L, regula, model, bis, double, geminus, twin
the tendency of a lengthened ventricular cycle to precipitate a premature ventricular complex.

rule of bi·gem·i·ny

(rūl bī-jem'i-nē)
Statement that a ventricular premature beat will follow the beat terminating a long cycle. Sudden prolongation of the ventricular cycle, by changing the refractoriness in the conduction system, causes a peripheral region of bidirectional block to become transiently unidirectional and thus opens potential pathways for reentry to occur.