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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Stress Fracture: Pathogenesis and clinical findings
Abnormal biomechanics, Repetitive impact activities
=> Repetitive subthreshold mechanical loading
=> Bone strain
=>
Stress Fracture: ... => Microscopic fractures ... loading Stress Fracture ... StressFractures #msk #orthopedics ... pathophysiology #symptoms
Fracture Healing (and disruptors of this process)
Inflammatory Stage (0-7d)
 • Fracture disrupts local blood vessels ->
(and disruptors ... Inflammatory Stage ... disrupts local ... #Stages #Orthopedics ... pathophysiology #diagnosis #disruptors
Femoral Head Fracture: Pathogenesis and clinical findings
 • Posterior hip dislocation -> Impaction force from femoral
Femoral Head Fracture ... lateral hip Signs/Symptoms ... • Non-union of fracture ... pathophysiology #signs #symptoms ... #orthopedics
Adhesive Capsulitis (Frozen Shoulder) - Pathogenesis and Clinical Findings

 • Primary (Idiopathic): Unknown etiology, but associated
, humeral head fracture ... side) Second Stage ... movement) Third Stage ... pathophysiology #diagnosis #symptoms ... #signs #stages
Chronic Hypertensive Retinopathy: Pathogenesis and clinical findings

Ophthalmic Artery Hypertension
Stage 1: Mild/vasoconstrictive
 • Acute and chronic vasospasm
Hypertension Stage ... vascular tortuosity Stage ... -> AV nicking Stage ... pathophysiology #ophthalmology ... diagnosis #signs #symptoms
Central Retinal Artery Occlusion: Pathogenesis and clinical findings
 • Inflammatory Disease: (i.e. GCA, SLE, GPA) ->
hypercoagulable state ... causing localized stasis ... Hypercoagulable state ... pathophysiology #ophthalmology ... diagnosis #signs #symptoms
Acute Closed Angle Glaucoma: Pathogenesis and Clinical Findings
OPHTHALMIC EMERGENCY: Early detection is essential, but most patients
lights are a key symptom ... blindness Signs / Symptoms ... scotomas of various shapes ... pathophysiology #ophthalmology
Paget’s Disease: Complications
Abnormal Osteoclasts cause excessive bone turnover -> Incr bone resorption, Incr (abnormal) bone formation

MSK
-> Pathologic fractures ... Nephrolithiasis (Kidney Stones ... diagnosis #signs #symptoms