in 10 dogs , metoprolol ( 0.5 mg ) given intracoronary , a dose that shifted the isoproterenol dose-response curve to the right , slowed ventricular tachycardia from 174 +/- 7.2 to 140 +/- 9.7 beats/min ( p less than 0.05 ) without hemodynamic changes .
C0025859
metoprolol
C0042514
ventricular tachycardia