energy sequences were repeated after 45 minutes of no intervention ( control , n = 5 ) or after 45-minute infusions of diltiazem ( 0.1 mg/kg/min , n = 10 ) , verapamil ( 0.1 mg/kg bolus plus 0.01 mg/kg/min , n = 10 ) , or nifedipine ( 40 micrograms/min for 3 minutes plus 2 to 20 micrograms/min adjusted to maintain a 10 mm hg drop in mean arterial pressure , n = 10 ) .
C0028066
nifedipine
C0020649
drop in