Anaphylaxis — ABEM Board MCQ

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EasyEmergency MedicineAnaphylaxisABEM Board

A 28-year-old with severe anaphylaxis to a peanut exposure in the ED. First-line drug and dose?

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Correct answer: D — Epinephrine 0.3-0.5 mg IM in the mid-anterolateral thigh

Explanation lettering: E = shown as A · D = shown as B · B = shown as C · A = shown as D · C = shown as E

Immediate IM epinephrine 0.3-0.5 mg (1 mg/mL) in the lateral thigh is first-line. B/C/E: Adjuncts only. D: IV epinephrine reserved for refractory cases with monitoring.

Reference: AAAAI/ACAAI Practice Parameter (2020): Anaphylaxis