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) -
and Complications ... - Type 1 or 2 injury ... #Grading #Orthopedics ... #MSK #diagnosis ... #complications
Low Ankle Sprain: Pathomechanics and Clinical Findings

Grading Ligament Sprains
l: Minimal ligament disruption, mild swelling & tenderness,
Clinical Findings Grading ... (uncommonly injured ... LowAnkleSprain #Sports #MSK ... #orthopedics #Grading ... #Grades #Diagnosis
Stress Fracture: Pathogenesis and clinical findings
Abnormal biomechanics, Repetitive impact activities
=> Repetitive subthreshold mechanical loading
=> Bone strain
=>
Stress Fracture: ... subthreshold mechanical loading ... from continued loading ... Stress Fracture ... StressFractures #msk
Open Fractures: Mechanisms, Clinical Features and Complications
Gustilo-Anderson Classification:
 • Type I
   - Wound <
and Complications ... Typically "inside out" injury ... Classification #Open #Fractures ... #Diagnosis #Complications ... #MSK #Orthopedics
Femoral Head Fracture: Pathogenesis and clinical findings
 • Posterior hip dislocation -> Impaction force from femoral
Femoral Head Fracture ... Avulsion or shearing injury ... Signs/Symptoms/Complications ... • Non-union of fracture ... #msk #diagnosis
Clavicular Fracture: Pathogenesis and clinical findings

Group I (69%) - Middle third (mid-shaft)
Group II (29%) - Distal
Clavicular Fracture ... the mechanism of injury ... and the site of fracture ... #Clavicular #Fracture ... #Grading #Diagnosis
Disc Herniations - Pathogenesis and Complications
• 90% of Lumbar disc herniations happen at L4/5 and L5/S1
•
Pathogenesis and Complications ... -> Mechanical loading ... DiscHerniations #complications ... #msk #pathophysiology
Prader-Willi Syndrome: Pathogenesis and clinical findings
 • Maternal uniparental disomy: inheriting 2 copies of maternal chromosome
Prader-Willi Syndrome ... hypothalamus =>Prader-Willi ... Signs/Symptoms/Complications ... Incr Skeletal fractures
Adhesive Capsulitis (Frozen Shoulder) - Pathogenesis and Clinical Findings

 • Primary (Idiopathic): Unknown etiology, but associated
Prolonged shoulder injury ... , humeral head fracture ... stages #staging #msk
Anorexia Nervosa: Complications
CARDIAC ABNORMALITIES
 - Functional: Low BP, Sinus bradycardia, prolonged QT interval
 - Structural: Reduced
Anorexia Nervosa: Complications ... increased risk of fracture ... Death - Cardiac complications ... highest mortality rates ... AnorexiaNervosa #Complications