Which of the following patients is most likely to be treated with intravenous glucagon ?
A young man who took cocaine and has a blood pressure of 190/110 mm Hg A middle aged man with type II diabetes who has not taken his regular dose of glipizide for last 4 days An old man with severe bradycardia and hypotension resulting from ingestion of overdose of atenolol An old woman with lactic acidosis as a complication of severe infection and shock