diltiazem infused i.v . at a rate of 10-30 micrograms/kg per min ( mean cumulative dose 0.53 +/- 0.05 mg/kg , n = 9 ) , did not affect basal heart rate , despite significant ( p less than 0.001 ) reduction of resting blood pressure .
C0012373
diltiazem
C0020649
reduction