A patient who is being treated for myasthenia gravis is receiving neostigmine, and her pulse drops to 50 after the administration. Which medication should be administered to treat the bradycardia?
A) Atropine
B) Pseudoephedrine
C) Propranolol (Inderal)
D) Bethanechol (Urecholine)
A
Feedback:
Atropine will reverse the muscarinic effects of cholinergic crisis. Pseudoephedrine will not affect bradycardia in this patient. Propranolol (Inderal) will not affect the bradycardia. Bethanechol will increase the bradycardia.
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