in experiments on 20 artificially ventilated anaesthetized dogs , the effects of the new calcium antagonist diltiazem on the stimulation thresholds to repetitive extrasystoles and fibrillation of the atria and the ventricles , respectively , and on ventricular dysrhythmias 6-24 h after acute coronary occlusion were investigated .
C0012373
diltiazem
C0004238
fibrillation