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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Classification of Pelvic Ring Fractures: Mechanisms, Clinical Features and Complications
 • Anterior Posterior Compression (APC) -
of Pelvic Ring Fractures ... Sacral compression fracture ... #PelvicRing #Fractures ... #Grading #Orthopedics ... complications #pathophysiology
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
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 ... #msk #orthopedics ... differential #causes #pathophysiology
Femoral Head Fracture: Pathogenesis and clinical findings
 • Posterior hip dislocation -> Impaction force from femoral
Femoral Head Fracture ... • Non-union of fracture ... #FemoralHead #Fractures ... msk #diagnosis #pathophysiology ... signs #symptoms #orthopedics
Rheumatoid arthritis (RA): X-ray features
 • Soft tissue swelling (best seen by comparing left & right
Rheumatoid arthritis (RA ... ): X-ray features ... RheumatoidArthritis #RA ... Radiology #Clinical #Pathophysiology
Prader-Willi Syndrome: Pathogenesis and clinical findings
 • Maternal uniparental disomy: inheriting 2 copies of maternal chromosome
Prader-Willi Syndrome ... hypothalamus =>Prader-Willi ... Incr Skeletal fractures ... Syndrome #genetics #pathophysiology
Low Ankle Sprain: Pathomechanics and Clinical Findings

Grading Ligament Sprains
l: Minimal ligament disruption, mild swelling & tenderness,
#Sports #MSK #orthopedics ... #Grading #Grades ... #Diagnosis #pathophysiology
Rheumatoid arthritis (RA): Pathogenesis and Joint diseases features
 • RA affects 1% of population, women >
Rheumatoid arthritis (RA ... Joint diseases features ... • RA affects ... RheumatoidArthritis #RA ... #pathophysiology
Acute Compartment Syndrome
 • Crush injuries, burns, circumferential constriction to limbs (each containing facially divided muscle
bleeding tendency/fracture ... CompartmentSyndrome #ACS #pathophysiology ... #orthopedics
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 #pathophysiology