similarly , administration of sufentanil ( 25 micrograms/kg iv ) in combination with vecuronium ( 0.1 mg/kg iv ) after propranolol and diltiazem pretreatment resulted in the appearance of bradyarrhythmias ( 32 +/- 2 beats/min ) and two episodes of asystole , responsive to atropine sulfate ( 0.4 mg ) .
C0018790
asystole
C0596005
atropine sulfate