title: Relationship between the prolonged QTc interval and ventricular fibrillation.
mesh_terms: D000704:Analysis of Variance; D003645:Death, Sudden / Q000209:etiology; D004562:Electrocardiography; D005260:Female; D006801:Humans; D007008:Hypokalemia / Q000503:physiopathology; D008297:Male; D008875:Middle Aged; D009203:Myocardial Infarction / Q000150:complications / Q000503:physiopathology*; D011342:Procainamide / Q000627:therapeutic use; D011433:Propranolol / Q000627:therapeutic use; D011802:Quinidine / Q000627:therapeutic use; D012189:Retrospective Studies; D012306:Risk; D013997:Time Factors; D014693:Ventricular Fibrillation / Q000209:etiology / Q000503:physiopathology*
chemical_list: D011433:Propranolol; D011802:Quinidine; D011342:Procainamide