to determine the time course of efferent sympathetic denervation after transmural myocardial infarction ( tmi ) and of efferent vagal denervation after transmural or nontransmural myocardial infarction ( ntmi ) , we measured effective refractory periods ( erp ) basal and apical to tmi or ntmi in secobarbital-anesthetized , open-chest dogs .
C0027051
tmi
C0817096
chest