36 results
Extra-articular and Other Conditions Associated with Joint Pain

Eyes
  • Iritis or uveitis - Spondyloarthropathies, Sarcoidosis,
Juvenile idiopathic arthritis ... • Interstitial lung ... • Shrinking lung ... , Gonococcal arthritis ... #joint #pain #differential
Arthrocentesis - Joint Fluid Analysis

Effusion Characteristics (Color, Clarity, WCC, PMN, Crystals, Bacteria) by Disease Process: 
OA,
OA, Traumatic arthritis ... SLE, , RF , Pseudogout ... crystals), TB arthritis ... , Septic arthritis ... Septic #Infective #Arthritis
Causes of Diffuse Lung Disease. 
Collagen vascular 
 - Scleroderma 
 - Rheumatoid arthritis 
 -
Causes of Diffuse Lung ... - Rheumatoid arthritis ... Dermatomyositis - SLE ... #Pulmonology #Differential ... Causes #Diffuse #Lung
Back Pain - Differential Diagnosis
Primary Back Pathology:
 • Musculoligamentous injury (a.k.a. lumbosacral strain)
 • Spondylosis (i.e.
. degenerative arthritis ... e.g. psoriatic arthritis ... , reactive arthritis ... & enteropathic arthritis ... #primarycare #table
Connective tissue disease-associated interstitial lung diseases

LIP: lymphoid interstitial pneumonia. NSIP: nonspecific interstitial pneumonia. OP: organizing pneumonia.
disease-associated interstitial lung ... RA: rheumatoid arthritis ... SLE : systemic ... CTILD #Diagnosis #Differential ... #Comparison #Table
Systemic Lupus Erythematosus (SLE): Musculoskeletal Manifestations

 • Immune Complex Deposition
    - Arthralgia, Arthritis
Erythematosus (SLE ... - Arthralgia, Arthritis ... Erythematosus #SLE ... pathophysiology #signs ... #symptoms #diagnosis
Approach to a Positive (+) Rheumatoid Factor (RF)
(+) RF does not always = RA
Rheumatic disorders:
 •
• Rheumatoid arthritis ... • SLE, Sjogren's ... disorders of Liver & Lung ... rheumatology #laboratory #differential
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
Systemic Lupus (SLE ... effusion, Restrictive lung ... of hip (rare), Arthritis ... erythematosus #signs ... #symptoms #diagnosis
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
Joints • Reactive arthritis ... • Psoriatic arthritis ... • Rheumatoid Arthritis ... Erythematosus (SLE ... should have other symptoms
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
Manifestations: - Arthritis ... Myositis 4% - Lung ... autoantibodies #signs ... #symptoms #mimickers ... #differential #