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: ... Pathogenesis and clinical findings ... => Microscopic fractures ... loading Stress Fracture ... StressFractures #msk
Osteoarthritis (OA): X-ray features 
 - Joint space narrowing (least specific)
 - Subchondral Cysts (pockets of
Osteoarthritis (OA): X-ray ... features - Joint ... Osteoarthritis #OA #Xray ... #radiology #diagnosis ... #findings #Clinical
Subtrochanteric Femur Fracture: Pathogenesis and clinical findings
 • Subtrochanteric region spans 5 cm distally from the
Subtrochanteric Femur Fracture ... Pathogenesis and clinical findings ... low energy fall fractures ... Atypical femur fracture ... #msk #orthopedics
Femoral Head Fracture: Pathogenesis and clinical findings
 • Posterior hip dislocation -> Impaction force from femoral
Femoral Head Fracture ... Pathogenesis and clinical findings ... • Non-union of fracture ... #FemoralHead #Fractures ... #msk #diagnosis
Patellofemoral Syndrome - Pathogenesis and clinical findings
 • Anterior Knee Pain with possible symptoms of 'catching'
Pathogenesis and clinical findings ... of flexion • Xray ... signs #symptoms #msk
Rheumatoid arthritis (RA): X-ray features
 • Soft tissue swelling (best seen by comparing left & right
arthritis (RA): X-ray ... features • Soft ... HandXray #Diagnosis #Radiology ... Pathophysiology #Findings
Spondylolysis & Spondylolisthesis: Pathogenesis and Clinical Findings

Pars interarticularis stress fracture (spondylolysis) - most frequently in the
Pathogenesis and Clinical Findings ... interarticularis stress fracture ... Spondylolisthesis #MSK
Ankylosing Spondylitis: Pathogenesis and Clinical findings
 • Pain in lumbar area and gluteal region: (Dull, insidious
Pathogenesis and Clinical findings ... progresses) - X-ray ... thoracic kyphosis, X-ray ... bamboo spine) -> Fracture
Anterior Shoulder Dislocation: Pathogenesis, clinical, and radiographic findings

Trauma, Fall on, outstretched arm, Overhead throwing => Abduction
and radiographic findings ... on axillary x-ray ... signs #symptoms #msk
Trendelenburg Gait: Pathogenesis and clinical findings

Skeletal Pathology of the Hip
 • Arthritis
 • Congenital hip dysplasia
Pathogenesis and clinical findings ... Greater Trochanter Fracture ... signs #diagnosis #msk