The Calgary Guide to Understanding Disease @TheCalgaryGuide
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Open Fractures: Mechanisms, Clinical Features and Complications
Gustilo-Anderson Classification:
 • Type I
   - Wound <
Open Fractures: ... and Complications ... Typically "inside out" injury ... #Diagnosis #Complications ... #MSK #Orthopedics
Classification of Pelvic Ring Fractures: Mechanisms, Clinical Features and Complications
 • Anterior Posterior Compression (APC) -
and Complications ... possible vascular injury ... - Type 1 or 2 injury ... #Orthopedics #MSK ... #diagnosis #complications
Acute Spinal Cord Injuries: Pathogenesis and clinical findings
 • Anterior Cord Syndrome -> Anterior spinal artery
Anterior Cord Syndrome ... • Central Cord Syndrome ... Posterior Cord Syndrome ... #Syndromes #diagnosis ... signs #symptoms #msk
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
Posterior Cruciate Ligament (PCL) Injury: Pathogenesis and Clinical Findings
Classification of PCL Iniuries
 • Partial: Translation <
) Injury: Pathogenesis ... Some sort of end ... : The PCL is injured ... #Injury #MSK #Sports ... classification #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 ... other injuries in all ... #Grading #Diagnosis
Prader-Willi Syndrome: Pathogenesis and clinical findings
 • Maternal uniparental disomy: inheriting 2 copies of maternal chromosome
Prader-Willi Syndrome ... =>Prader-Willi Syndrome ... Signs/Symptoms/Complications ... Incr Skeletal fractures ... • Short stature
Low Ankle Sprain: Pathomechanics and Clinical Findings

Grading Ligament Sprains
l: Minimal ligament disruption, mild swelling & tenderness,
most commonly injured ... (uncommonly injured ... LowAnkleSprain #Sports ... #MSK #orthopedics ... Grading #Grades #Diagnosis
Cauda Equina Syndrome
Causes:
 • Large lumbar degenerative disc herniation (central)
 • Severe lumbar spondylosis
 • Neoplasm
Cauda Equina Syndrome ... Signs / Symptoms / Complications ... #CaudaEquina #Syndrome ... #MSK #pathophysiology ... #diagnosis #symptoms
Isolated Anterior Cruciate Ligament (ACL) Injury: Pathogenesis and clinical findings
 • Feeling a "pop"
 • Acute
Cruciate Ligament (ACL ... ) Injury: Pathogenesis ... AnteriorCruciateLigament #ACL ... #Injury #MSK #Sports