Which of the following patients is most likely to be treated with intravenous glucagon?

A. A young man who took cocaine and has a blood pressure of 190/110 mm Hg

B. A middle aged man with type II diabetes who has not taken his regular dose of glipizide for last 4 days

C. An old man with severe bradycardia and hypotension resulting from ingestion of overdose of atenolol

D. An old woman with lactic acidosis as a complication of severe infection and shock

Correct Answer: An old man with severe bradycardia and hypotension resulting from ingestion of overdose of atenolol

Description: Glucagon : Use in hypoglycemia DOC for beta blocker poisoning A life-threatening adverse cardiac effect of a b antagonist may be overcome directly with isoproterenol or with glucagon (glucagon stimulates the hea glucagon receptors, which are not blocked by b antagonists), but neither of these methods is without hazard.

Category: Pharmacology

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