ca-mccqe1 MCQ (SBA): Polymyalgia rheumatica

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A 75-year-old woman reports bilateral shoulder pain and morning stiffness lasting over an hour, with difficulty raising her arms above her head. ESR is elevated at 70 mm/h. There is no muscle weakness and CK is normal. What is the most likely diagnosis?

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ca-mccqe1 MCQ: Polymyalgia rheumatica — Answer & Explanation | iatroX