Giant cell arteritis — RCPSC IM MCQ
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Correct answer: D — Start glucocorticoids with specialist, biopsy and visual monitoring
Explanation lettering: E = shown as A · D = shown as C · C = shown as D · A = shown as E
C is correct: suspected GCA with visual ischemia requires treatment before biopsy confirmation. D is inadequate. E mislabels a threat to sight. A risks permanent loss. B does not suppress vasculitis.
Reference: Canadian Rheumatology Association, Clinical Guidelines: https://rheum.ca/resources/publications/