The Calgary Guide to Understanding Disease @TheCalgaryGuide
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Systemic Lupus Erythematosus (SLE): Musculoskeletal Manifestations

 • Immune Complex Deposition
    - Arthralgia, Arthritis
Systemic Lupus Erythematosus ... Myopathy (Also caused ... #Systemic #Lupus ... Erythematosus #SLE #MSK ... signs #symptoms #diagnosis
Lupus (SLE): Mucocutaneous Manifestations

 • Langerhan cells and keratinocytes release cytokines -> localized inflammatory response ->
Lupus (SLE): Mucocutaneous ... Subacute cutaneous lupus ... hair follicles -> causes ... Livedo Reticularis, Vasculitis ... pathophysiology #diagnosis
IgA Vasculitis – Henoch Scholein Purpura: Pathogenesis and Clinical Findings

 - Infectious Agents - 50% have
IgA Vasculitis – ... i.e., influenza virus ... periumbilical region), nausea ... #HSP #IgA #Vasculitis ... Pathophysiology #Diagnosis
Distinguishing between Inflammatory and Degenerative joint disease
Inflammatory Joint Disease
 • Swelling stimulates joint nociceptors -> Pain
Rheumatoid arthritis, Lupus ... #Degenerative #Comparison ... #Versus #MSK #JointDisease ... #JointPain #Diagnosis
Varicocele: Pathogenesis and clinical findings
Primary:
 - Anatomically: the left spermatic vein drains into the left renal
retroperitoneal masses ... ache and scrotal venous ... maneuver (decreases venous ... Signs #Symptoms #Urology ... #Diagnosis
Mastoiditis: Pathogenesis and clinical findings

Acute or Chronic Otitis Media -> 
Stage 1: Hyperemeia of the mastoid
hearing loss, nausea ... -> Meningitis, Venous ... signs #symptoms #diagnosis ... #otology