Beta Blockers USMLE Step 1 Practice Question
A 19-year-old college student presents to the ED with agitation and altered mental status after ingesting homemade tea from ornamental plant seeds. Vital signs show BP 158/92, HR 128, RR 22, Temp 39.2°C. Physical exam reveals flushed skin, mydriasis, urinary retention, and absent bowel sounds. Serum sodium is 138 mEq/L. He denies previous anticholinergic medication use. Which medication is the most appropriate antidote for this anticholinergic toxidrome?
Answer choices
- ANaloxone
- BAtropine
- CPhysostigmineCorrect answer
- DFlumazenil
- EPralidoxime
- FPilocarpine
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