oral diltiazem 60 mg rapidly decreased bp from 155 +/- 10/103 +/- 6 to 142 +/- 12/90 +/- 8 mmhg after 3 hours ( p less than 0.01/p less than 0.001 ) in hypertensives ( n = 8 ) , but not in normotensives ( n = 8 ) .
C0012373
diltiazem
C0020649
decreased bp