title: Electrocardiogram of the month. Unusual reaction to propranolol.
mesh_terms: D000284:Administration, Oral; D000319:Adrenergic beta-Antagonists / Q000009:adverse effects; D004342:Drug Hypersensitivity / Q000209:etiology*; D004562:Electrocardiography; D006801:Humans; D008297:Male; D008875:Middle Aged; D011433:Propranolol / Q000008:administration & dosage / Q000009:adverse effects*; D012772:Shock, Septic / Q000209:etiology
chemical_list: D000319:Adrenergic beta-Antagonists; D011433:Propranolol