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What is Most specific symptom of temporal aeritis? and explain in detail?
Giant cell aeritis ( temporal aeritis ) is a chronic vasculitis of large and medium vessel aeries, usually affecting the cranial branches of aeries arising from aoic arch. Jaw claudication is an underrepoed, yet, a very specific symptom of GCA, with a high positive predictive value. Ref : Harrison's Principles of Internal medicine, 21st edition , Page 2188; NEJM, May 5, 2016, 1794-1795.