3 results
Giant cell arteritis (GCA)

Giant cell arteritis (GCA) definition: Most common systemic inflammatory vasculitis in older adults
arteritis (GCA) ... systemic sx + signs ... in literature (NEJM ... them, but urgent rheumatology ... #Signs #Symptoms
Inflammatory Myopathies
Dermatomyositis
 • Onset: Subacute
 • Pattern: Proximal
 • CK: Up to 50X ULN
 • Autoantibodies:
Inflammatory Myopathies ... Anti-MDA5, anti-Mi ... heliotrope, shawl sign ... diagnosis #comparison #rheumatology ... #table
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
purpura: Strong sign ... Elevated ESR and CRP GCA ... develop in pts with GCA ... oligoclonal bands • MRI ... Differential #Diagnosis #Rheumatology