title: Basic mechanisms of 'calcium antagonists' (slow channel blockers).
mesh_terms: D000200:Action Potentials / Q000187:drug effects; D000787:Angina Pectoris / Q000188:drug therapy; D001145:Arrhythmias, Cardiac / Q000188:drug therapy; D002121:Calcium Channel Blockers / Q000494:pharmacology* / Q000627:therapeutic use; D002312:Cardiomyopathy, Hypertrophic / Q000188:drug therapy; D006321:Heart / Q000187:drug effects; D006324:Heart Arrest, Induced; D006801:Humans; D007473:Ion Channels; D009119:Muscle Contraction / Q000187:drug effects
chemical_list: D002121:Calcium Channel Blockers; D007473:Ion Channels