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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Giant Cell (Temporal) Arteritis: Pathogenesis and investigations
Risk Factors:
 - Unclear environmental triggers (may be viral, not
palpation - Vasculitic ... Focal neurological findings ... Pathophysiology #Diagnosis ... Signs #Symptoms #Vasculitis
IgA Vasculitis – Henoch Scholein Purpura: Pathogenesis and Clinical Findings

 - Infectious Agents - 50% have
IgA Vasculitis – ... Pathogenesis and Clinical Findings ... Leukocytoclastic vasculitis ... #HSP #IgA #Vasculitis ... Pathophysiology #Diagnosis
Giant Cell (Temporal) Arteritis: Clinical findings and Complications
Signs/Symptoms: 
 - Headache (usually constant, superimposed by waves
Arteritis: Clinical findings ... Signs #Symptoms #diagnosis ... #Vasculitis
Osteoarthritis (OA): X-ray features 
 - Joint space narrowing (least specific)
 - Subchondral Cysts (pockets of
Osteoarthritis #OA #Xray #radiology ... #diagnosis #findings
Dermatomyositis (DM) and Polymyositis (PM): Pathogenesis and clinical findings
Elevated Antinuclear Antibodies: Anti-Jo-1, Anti-OJ, Anti-Mi2, Anti-SRP, Anti-EJ,
Pathogenesis and clinical findings ... Muscle Biopsy Findings ... Polymyositis #PM #Diagnosis ... Signs #Symptoms #Vasculitis
Rheumatoid arthritis (RA): X-ray features
 • Soft tissue swelling (best seen by comparing left & right
#RA #HandXray #Diagnosis ... #Radiology #Clinical ... Pathophysiology #Findings
Polyarteritis Nodosa (PAN): Pathogenesis and Clinical Findings

Medical Comorbidities Malignancies (most commonly hairy-cell leukemia)
Immunogenetic Predisposition: patient is
Pathogenesis and Clinical Findings ... Pathophysiology #Diagnosis ... Signs #Symptoms #Vasculitis
Subjective Tinnitus: Pathogenesis and clinical findings
Subjective Tinnitus - Perceived sound with no acoustic stimulus, heard only
Pathogenesis and clinical findings ... pathophysiology #differential ... #diagnosis
Subtrochanteric Femur Fracture: Pathogenesis and clinical findings
 • Subtrochanteric region spans 5 cm distally from the
Pathogenesis and clinical findings ... #orthopedics #diagnosis ... #differential #
Meralgia paresthetica: Pathogenesis and Clinical Findings
Compression/injury of Lateral Femoral Cutaneous Nerve (LFCN) -> Meralgia paresthetica
 •
Pathogenesis and Clinical Findings ... sensory • Before diagnosis ... pathophysiology #differential ... #diagnosis #signs