11 results
Myositis and Myopathies
Polymyositis 
 • Progressive, symmetric muscle weakness 
 • Elevated CK, +Anti-Jo, +Anti-Mi2
Dermatomyositis
with temporal arteritis ... Anti-retrovirals, Gemcitabine Lupus ... uncommon 5-15% of lupus ... #differential #diagnosis ... #comparison #rheumatology
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
- Differential Diagnosis ... Algorithm Monoarthritis ... with Systemic Lupus ... #Disorders #msk ... #Differential #Diagnosis
Inflammatory Joint Pain - Differential Diagnosis Algorithm 
Monoarticular
 • Gout (Podagra, Tophi)
 • Pseudogout
 • Early
- Differential Diagnosis ... Algorithm Monoarticular ... • Systemic Lupus ... Inflammatory #JointPain #MSK ... #Differential #Diagnosis
Approach to Joint Pain - Diagnostic Framework

1) Chronicity
2) Inflammatory vs Non-Inflammatory
3) Number of Joints Involved

1) Chronicity:
Pain - Diagnostic ... spondyloarthropathies, lupus ... #Joint #Pain #MSK ... #rheumatology # ... #differential #diagnosis
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
Features of Systemic Lupus ... of hip (rare), Arthritis ... Glomerulonephritis Myositis ... signs #symptoms #diagnosis ... #rheumatology
Distinguishing between Inflammatory and Degenerative joint disease
Inflammatory Joint Disease
 • Swelling stimulates joint nociceptors -> Pain
in Rheumatoid arthritis ... , Lupus, etc) -> ... #Degenerative #Comparison ... #Versus #MSK #JointDisease ... #JointPain #Diagnosis
CPPD vs Gout

== CPPD == 

Think About CPPD When:
 • Self-limited synovitis after surgery/trauma (> 65
(shoulders, wrists ... knees, fingers, wrist ... #CPPD #Gout #Comparison ... #rheumatology # ... Diagnosis
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
Differential Diagnosis ... Non-autoimmune rheumatologic ... : • Joint pain ... arthropathy • 90% joints ... #Rheumatology
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... • Systemic lupus ... level to exclude myositis ... (to support a diagnosis ... #testing #Rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential Diagnosis ... inflammation Others: • Lupus ... vesicular eruption - Joints ... such as systemic lupus ... #rheumatology #