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: ... Accumulated micro-damage exceeds ... StressFractures #msk ... pathophysiology #symptoms ... #signs
Femoral Head Fracture: Pathogenesis and clinical findings
 • Posterior hip dislocation -> Impaction force from femoral
onto lateral hip Signs ... /Symptoms/Complications ... #msk #diagnosis ... pathophysiology #signs ... #symptoms #orthopedics
Ankylosing Spondylitis: Pathogenesis and Clinical findings
 • Pain in lumbar area and gluteal region: (Dull, insidious
column) • Late complication ... bamboo spine) -> Fracture ... minor trauma #AnkylosingSpondylitis ... pathophysiology #diagnosis #signs ... #symptoms
Growth Hormone Excess - Pathogenesis and clinical findings
 • Acromegaly and gigantism share the same pathophysiology
Growth Hormone Excess ... Acne • Coarse features ... tolerance • Weight gain ... Overproduction #diagnosis #signs ... #symptoms #endocrinology
Achilles Tendon Rupture - Pathogenesis and clinical findings
 • The Achilles tendon is 15cm long in
pre-determined etiology Signs ... /Symptoms/Complications ... rupture - Antalgic gait ... #symptoms #pathophysiology ... #msk #orthopedics
Trendelenburg Gait: Pathogenesis and clinical findings

Skeletal Pathology of the Hip
 • Arthritis
 • Congenital hip dysplasia
Trendelenburg Gait ... Greater Trochanter Fracture ... pathophysiology #causes #symptoms ... #signs #diagnosis ... #msk
Rickets and Osteomalacia: Pathogenesis and Clinical Findings
 • Calcification inhibitors (excess exposure to A1, Fluoride, etidronate)
Calcification inhibitors (excess ... Bowed legs • Fractures ... manifesting often as gait ... pathophysiology #diagnosis #signs ... #symptoms
Anorexia Nervosa: Complications
CARDIAC ABNORMALITIES
 - Functional: Low BP, Sinus bradycardia, prolonged QT interval
 - Structural: Reduced
Anorexia Nervosa: Complications ... increased risk of fracture ... - Lethargy or Excess ... pathophysiology #diagnosis #signs ... #symptoms #psychiatry
Paget’s Disease: Complications
Abnormal Osteoclasts cause excessive bone turnover -> Incr bone resorption, Incr (abnormal) bone formation

MSK
Paget’s Disease: Complications ... bone formation MSK ... -> Pathologic fractures ... pathophysiology #diagnosis #signs ... #symptoms #complications