Verapamil.
D000200:Action Potentials / Q000187:drug effects; D000787:Angina Pectoris / Q000188:drug therapy; D000818:Animals; D002118:Calcium / Q000378:metabolism; D002319:Cardiovascular System / Q000187:drug effects; D006331:Heart Diseases / Q000188:drug therapy*; D006439:Hemodynamics; D006801:Humans; D006973:Hypertension / Q000188:drug therapy; D009119:Muscle Contraction / Q000187:drug effects; D009203:Myocardial Infarction / Q000188:drug therapy; D009599:Nitroprusside / Q000494:pharmacology; D014655:Vascular Resistance / Q000187:drug effects; D014700:Verapamil / Q000009:adverse effects / Q000494:pharmacology / Q000627:therapeutic use*
D009599:Nitroprusside; D014700:Verapamil; D002118:Calcium