11 results
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
"pooping duck sign ... functional deficit and arthritis ... "pooping duck sign ... , pain with wrist ... #XRay #Diagnosis
Rheumatoid arthritis (RA): Pathogenesis and Joint diseases features
 • RA affects 1% of population, women >
Rheumatoid arthritis ... boggy" joints, esp carpal ... Boutonniere's ulnar ... deviation, etc • Systemic ... #symptoms #diagnosis
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
Constitutional symptoms, Arthritis ... thiazidic, PPI, ACE, calcium-b ... months to years) Systemic ... comparison #table #rheumatology ... #diagnosis #management
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
lupus erythematosus ... Liver function tests ... Activation #Syndrome #Diagnosis ... #Management #Hematology ... #Rheumatology
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... crystals (gout) or calcium ... affected joint • Systemic ... lupus erythematosus ... profile (e.g., calcium
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
Behçet's Syndrome Systemic ... Positive pathergy test ... is a skin prick test ... #management #signs ... #symptoms #rheumatology
Giant cell arteritis (GCA)

Giant cell arteritis (GCA) definition: Most common systemic inflammatory vasculitis in older adults
signs/sx of inflammation ... the “Chewing gum test ... them, but urgent rheumatology ... GCA #Temporal #Signs ... #Management
Pseudogout Summary - Calcium Pyrophosphate Deposition Disease (CPPD)

Pathophysiology:
Pyrophosphate produced by chondrocytes likely precipitates with calcium to
joints (shoulders, wrists ... culture used to diagnose ... polyarticular CPPD • Systemic ... Deposition #Disease #Rheumatology ... #diagnosis #management
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
inflammation Others: • Lupus ... lupus erythematosus ... purpura: strong sign ... retinopathy Lab Tests ... #rheumatology #
Sarcoidosis - Diagnosis and Management Summary
Epidemiology
1) High incidence in Scandinavian countries (11-24 cases per 100,000 individuals
and Management ... fibrosis. 4) Calcium ... Extrapulmonary: ankle arthritis ... skin (16-32%): lupus ... #Management #Signs