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Peritonsillar abscess — RCPSC EM MCQ

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ModerateInfectious disease emergenciesPeritonsillar abscessRCPSC EM

CTAS 3. A 23-year-old has fever, severe unilateral throat pain, muffled voice, and trismus. Uvula deviates away from the swollen tonsil. He can swallow secretions and has no stridor. What is the most likely diagnosis?

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Correct answer: C — Peritonsillar abscess

Unilateral peritonsillar swelling, uvular deviation, muffled voice, and trismus suggest peritonsillar abscess.

Reference: Canadian Family Physician peritonsillar abscess review; Tintinalli's Emergency Medicine