title: Calcium channel blocking agents and the heart.
mesh_terms: D000787:Angina Pectoris / Q000188:drug therapy; D001145:Arrhythmias, Cardiac / Q000188:drug therapy; D002121:Calcium Channel Blockers / Q000009:adverse effects / Q000627:therapeutic use*; D003329:Coronary Vasospasm / Q000188:drug therapy; D004077:Digoxin / Q000627:therapeutic use; D004110:Diltiazem / Q000627:therapeutic use; D006327:Heart Block / Q000139:chemically induced; D006331:Heart Diseases / Q000188:drug therapy*; D006339:Heart Rate / Q000187:drug effects; D006801:Humans; D006973:Hypertension / Q000188:drug therapy; D009543:Nifedipine / Q000627:therapeutic use; D014700:Verapamil / Q000627:therapeutic use
chemical_list: D002121:Calcium Channel Blockers; D004077:Digoxin; D014700:Verapamil; D004110:Diltiazem; D009543:Nifedipine