title: Calcium channels in the heart.
mesh_terms: D000787:Angina Pectoris / Q000188:drug therapy; D001145:Arrhythmias, Cardiac / Q000188:drug therapy; D004110:Diltiazem / Q000627:therapeutic use; D004553:Electric Conductivity; D006321:Heart / Q000502:physiology*; D006973:Hypertension / Q000188:drug therapy; D007473:Ion Channels / Q000502:physiology*; D009543:Nifedipine / Q000627:therapeutic use; D014665:Vasodilator Agents / Q000009:adverse effects; D014700:Verapamil / Q000627:therapeutic use
chemical_list: D007473:Ion Channels; D014665:Vasodilator Agents; D014700:Verapamil; D004110:Diltiazem; D009543:Nifedipine