title: Bradycardia induced by interaction between quinidine and ophthalmic timolol.
mesh_terms: D000284:Administration, Oral; D000368:Aged; D001919:Bradycardia / Q000139:chemically induced*; D004347:Drug Interactions; D004562:Electrocardiography; D006801:Humans; D008297:Male; D009883:Ophthalmic Solutions; D011802:Quinidine / Q000008:administration & dosage / Q000009:adverse effects*; D013999:Timolol / Q000008:administration & dosage / Q000009:adverse effects*
chemical_list: D009883:Ophthalmic Solutions; D013999:Timolol; D011802:Quinidine