Which of the follwing patients is most likely to be treated with intravenous glucagon?
(Ref: KDT 6/e p274) Glucagon is the antidote of b-blocker poisoning. It acts by increasing cAMP in the hea stimulation of glucagon receptors. Cyclic AMP stinulates the hea. Calcium gluconate can also be used for the treatment of b-blocker poisoning.