Intermittent atrioventricular block after propranolol.
D000787:Angina Pectoris / Q000188:drug therapy; D004562:Electrocardiography; D006327:Heart Block / Q000139:chemically induced* / Q000175:diagnosis; D006801:Humans; D008297:Male; D011433:Propranolol / Q000008:administration & dosage / Q000009:adverse effects*
D011433:Propranolol