the antiarrhythmic effects of diltiazem ( dl ) , a slow channel inhibitor , were evaluated in the presence of epinephrine-halothane-induced arrhythmias in dogs , of premature ventricular contractions ( pvcs ) during anesthesia in patients ( n = 10 ) , and of tachyarrhythmias with associated atrial fibrillation ( af ) during anesthesia in patients ( n = 9 ) .
C0003811
arrhythmias
C0004238
atrial fibrillation