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
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
Classification of Pelvic Ring Fractures: Mechanisms, Clinical Features and Complications
 • Anterior Posterior Compression (APC) -
Grade 2 - Rami fracture ... posterior ilium fracture ... #PelvicRing #Fractures ... Grades #Grading #Orthopedics ... complications #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
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
Open Fractures: Mechanisms, Clinical Features and Complications
Gustilo-Anderson Classification:
 • Type I
   - Wound <
Open Fractures: ... Mechanisms, Clinical Features ... Classification #Open #Fractures ... Complications #MSK #Orthopedics
Clavicular Fracture: Pathogenesis and clinical findings

Group I (69%) - Middle third (mid-shaft)
Group II (29%) - Distal
Clavicular Fracture ... and the site of fracture ... with clavicle fractures ... #Clavicular #Fracture ... Grading #Diagnosis #pathophysiology
Necrotizing Fasciitis: Pathogenesis and Clinical Findings

#NecrotizingFasciitis #pathophysiology #orthopedics
NecrotizingFasciitis #pathophysiology ... #orthopedics
Lewy Body Dementia: Pathogenesis and Clinical Findings
Lewy Body Dementia is a sub-category of major or mild
function Core features ... • Spontaneous features ... parkinsonism Suggestive features ... PET Supportive features ... LewyBody #Dementia #pathophysiology