-Will order Creatine Kinase- which is associated with elevated creatine kinase.
-ESR / CRP to eval PMR in this pt > 50
DDx
Polymyalgia rheumatica is usually associated with an elevated erythrocyte sedimentation rate.
Guillain-Barré syndrome is associated with depressed deep tendon reflexes.
Reference
Am Fam Physician 2005;71(7):1327-1336.