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Giant cell arteritis — USMLE Step 3 MCQ

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HardAmbulatory Medicine / Primary CareGiant cell arteritisUSMLE Step 3

A 67-year-old woman has severe unilateral temporal headache, jaw pain while chewing, and blurred vision. ESR is 92 mm/h. Temporal artery is tender. Visual acuity is slightly reduced in the affected eye. Which of the following is the most appropriate at this time?

Educational content. Not a substitute for clinical judgement or local policy.

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Correct answer: DStart high-dose glucocorticoids immediately

Suspected giant cell arteritis with visual symptoms requires immediate glucocorticoids to prevent permanent vision loss.

Reference: ACR/Vasculitis Foundation giant cell arteritis guideline