The Calgary Guide to Understanding Disease @TheCalgaryGuide
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Account created for The Calgary Guide to Understanding Disease - Linking pathophysiology to clinical presentation - http://calgaryguide.ucalgary.ca/
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Lupus (SLE): Mucocutaneous Manifestations

 • Langerhan cells and keratinocytes release cytokines -> localized inflammatory response ->
Lupus (SLE): Mucocutaneous ... cytokines -> localized inflammatory ... Subacute cutaneous lupus ... pathophysiology #diagnosis #signs ... #symptoms #complications
Rheumatoid arthritis (RA): Extra-articular manifestations
Skin: 
 • Inflammation of skin (esp. over areas of stress) forms
Rheumatoid arthritis (RA ... effusion on CXR • RA ... RheumatoidArthritis #RA ... pathophysiology #signs ... #symptoms #diagnosis
Systemic Lupus Erythematosus (SLE): Musculoskeletal Manifestations

 • Immune Complex Deposition
    - Arthralgia, Arthritis
Systemic Lupus Erythematosus ... #Systemic #Lupus ... Erythematosus #SLE #MSK ... pathophysiology #signs ... #symptoms #diagnosis
Primary Sjogren’s Syndrome: Pathogenesis and Clinical Findings
• Primary Sjögren's is a solitary process whereas secondary Sjögren's
rheumatoid arthritis (RA ... ) or systemic lupus ... erythematosus (SLE) Signs ... / Symptoms: - ... #Symptoms
Rheumatoid arthritis (RA): Pathogenesis and Joint diseases features
 • RA affects 1% of population, women >
• Rate of inflammatory ... etc • Systemic inflammation ... Extra-articular signs ... pathophysiology #signs ... #symptoms #diagnosis
Distinguishing between Inflammatory and Degenerative joint disease
Inflammatory Joint Disease
 • Swelling stimulates joint nociceptors -> Pain
joint disease Inflammatory ... Swollen Joints • Inflammation ... Rheumatoid arthritis, Lupus ... mild synovial inflammation ... Comparison #Versus #MSK
Adhesive Capsulitis (Frozen Shoulder) - Pathogenesis and Clinical Findings

 • Primary (Idiopathic): Unknown etiology, but associated
shoulder joint inflammation ... as post-inflammatory ... pathophysiology #diagnosis #symptoms ... #signs #stages ... #staging #msk
Psoriatic Arthritis: Pathogenesis and Clinical findings

In tendons and connective tissues:
 • Enthesitis  - Pain/tenderness over
• Dactylitis - Inflammation ... polyarthritis (like RA ... pathophysiology #diagnosis #signs ... #symptoms
Mastoiditis: Pathogenesis and clinical findings

Acute or Chronic Otitis Media -> 
Stage 1: Hyperemeia of the mastoid
mastoid air cells (inflammation ... mucosa leads to inflammation ... : Extension of inflammatory ... pathophysiology #signs ... #symptoms #diagnosis
Central Retinal Artery Occlusion: Pathogenesis and clinical findings
 • Inflammatory Disease: (i.e. GCA, SLE, GPA) ->
clinical findings • Inflammatory ... viscosity and inflammation ... ophthalmology #diagnosis #signs ... #symptoms