Polymyalgia Rheumatica: Test and Diagnosis
Laboratory parameters of the 1st order – obligatory laboratory tests. ESR (erythrocyte sedimentation rate) [“fall”: > 40 mm in the 1st hour (> 90% of cases)] CRP (C-reactive protein) [pathologically elevated] Small blood count Creatine kinase (CK) [not elevated] Rheumatoid factors (RF) [negative] Antibodies against citrullinated peptides [negative].