title: Ventricular fibrillation after intravenous atropine for treatment of sinus bradycardia.
abstract: A patient with acute myocardial infarction and sinus bradycardia has been treated with 0.5 mg atropine intravenously. Shortly after the injection he showed a sinus tachycardia, then developed ventricular ectopic beats, ventricular tachycardia and ventricular fibrillation, which was treated successfully with electrical countershock.
mesh_terms: D000368:Aged; D001285:Atropine / Q000008:administration & dosage / Q000009:adverse effects* / Q000627:therapeutic use; D001919:Bradycardia / Q000188:drug therapy*; D006801:Humans; D007275:Injections, Intravenous; D008297:Male; D014693:Ventricular Fibrillation / Q000139:chemically induced*
chemical_list: D001285:Atropine