The Calgary Guide to Understanding Disease @TheCalgaryGuide
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Primary Sjogren’s Syndrome: Pathogenesis and Clinical Findings
• Primary Sjögren's is a solitary process whereas secondary Sjögren's
other autoimmune diseases ... with systemic diseases ... like rheumatoid arthritis ... (RA) or systemic ... erythematosus (SLE) Signs
Rheumatoid arthritis (RA): Extra-articular manifestations
Skin: 
 • Inflammation of skin (esp. over areas of stress) forms
Rheumatoid arthritis ... (RA): Extra-articular ... effusion on CXR • RA ... interstitial lung disease ... pathophysiology #signs
Rheumatoid arthritis (RA): Pathogenesis and Joint diseases features
 • RA affects 1% of population, women >
Rheumatoid arthritis ... and Joint diseases ... features • RA ... Extra-articular signs ... pathophysiology #signs
Psoriatic Arthritis: Pathogenesis and Clinical findings

In tendons and connective tissues:
 • Enthesitis  - Pain/tenderness over
Psoriatic Arthritis ... Arthritis of DIP ... polyarthritis (like RA ... Arthritis mutilans ... pathophysiology #diagnosis #signs
Systemic Lupus Erythematosus (SLE): Musculoskeletal Manifestations

 • Immune Complex Deposition
    - Arthralgia, Arthritis
- Arthralgia, Arthritis ... Erythematosus #SLE #MSK ... pathophysiology #signs
Femoral Head Fracture: Pathogenesis and clinical findings
 • Posterior hip dislocation -> Impaction force from femoral
onto lateral hip Signs ... weight-bear • Arthritic ... FemoralHead #Fractures #msk ... pathophysiology #signs
Trendelenburg Gait: Pathogenesis and clinical findings

Skeletal Pathology of the Hip
 • Arthritis
 • Congenital hip dysplasia
of the Hip • Arthritis ... causes #symptoms #signs ... #diagnosis #msk
Meralgia paresthetica: Pathogenesis and Clinical Findings
Compression/injury of Lateral Femoral Cutaneous Nerve (LFCN) -> Meralgia paresthetica
 •
intervertebral disc disease ... MeralgiaParesthetica #MSK ... differential #diagnosis #signs
Distinguishing between Inflammatory and Degenerative joint disease
Inflammatory Joint Disease
 • Swelling stimulates joint nociceptors -> Pain
Degenerative joint disease ... Inflammatory Joint Disease ... in Rheumatoid arthritis ... Degenerative Joint Disease ... Comparison #Versus #MSK
Scoliosis: Pathogenesis and clinical findings (Cobb Angle > 10 Degrees)

 • Incr Axial rotation of thoracic
Restrictive Pulmonary Disease ... pathophysiology #msk ... #diagnosis #signs