title: Quinidine in elderly patients.
mesh_terms: D000284:Administration, Oral; D000368:Aged; D001145:Arrhythmias, Cardiac / Q000188:drug therapy*; D001281:Atrial Fibrillation / Q000188:drug therapy; D005117:Cardiac Complexes, Premature / Q000188:drug therapy; D004562:Electrocardiography; D006801:Humans; D007273:Injections, Intramuscular; D011802:Quinidine / Q000008:administration & dosage / Q000009:adverse effects / Q000097:blood / Q000627:therapeutic use* / Q000633:toxicity; D013610:Tachycardia / Q000188:drug therapy
chemical_list: D011802:Quinidine