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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Open Fractures: Mechanisms, Clinical Features and Complications
Gustilo-Anderson Classification:
 • Type I
   - Wound <
Open Fractures: ... and Complications ... Classification #Open #Fractures ... #Diagnosis #Complications ... #MSK #Orthopedics
Classification of Pelvic Ring Fractures: Mechanisms, Clinical Features and Complications
 • Anterior Posterior Compression (APC) -
and Complications ... bilateral rami fractures ... Grades #Grading #Orthopedics ... #MSK #diagnosis ... #complications
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
Femoral Head Fracture: Pathogenesis and clinical findings
 • Posterior hip dislocation -> Impaction force from femoral
Femoral Head Fracture ... Signs/Symptoms/Complications ... • Non-union of fracture ... #msk #diagnosis ... signs #symptoms #orthopedics
Subtrochanteric Femur Fracture: Pathogenesis and clinical findings
 • Subtrochanteric region spans 5 cm distally from the
Subtrochanteric Femur Fracture ... low energy fall fractures ... Atypical femur fracture ... Subtrochanteric #Femur #Fractures ... #msk #orthopedics
Disc Herniations - Pathogenesis and Complications
• 90% of Lumbar disc herniations happen at L4/5 and L5/S1
•
Pathogenesis and Complications ... happen at C6/7 Aging ... DiscHerniations #complications ... #msk #pathophysiology
Achilles Tendon Rupture - Pathogenesis and clinical findings
 • The Achilles tendon is 15cm long in
Signs/Symptoms/Complications ... pathophysiology #msk ... #orthopedics
Cauda Equina Syndrome
Causes:
 • Large lumbar degenerative disc herniation (central)
 • Severe lumbar spondylosis
 • Neoplasm
Signs / Symptoms / Complications ... pain (shooting, stabbing ... CaudaEquina #Syndrome #MSK
Adhesive Capsulitis (Frozen Shoulder) - Pathogenesis and Clinical Findings

 • Primary (Idiopathic): Unknown etiology, but associated
, humeral head fracture ... signs #stages #staging ... #msk
Fracture Healing (and disruptors of this process)
Inflammatory Stage (0-7d)
 • Fracture disrupts local blood vessels ->
Fracture Healing ... Stage (0-7d) • Fracture ... chondrocytes at fracture ... #Stages #Orthopedics ... #msk #Staging #