The Calgary Guide to Understanding Disease @TheCalgaryGuide
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Acute Spinal Cord Injuries: Pathogenesis and clinical findings
 • Anterior Cord Syndrome -> Anterior spinal artery
spinal artery injury ... function below injury ... below level of injury ... signs #symptoms #msk ... #orthopedics #neurology
RICE: Mechanism of Action
Rest (weight bearing or stressful motion discontinued)
Ice (applied to injury)
Compression (wrap applied to
RICE: Mechanism ... Ice (applied to injury ... wrap applied to injured ... heart) #RICE #Sports ... #MSK
Open Fractures: Mechanisms, Clinical Features and Complications
Gustilo-Anderson Classification:
 • Type I
   - Wound <
Open Fractures: Mechanisms ... Typically "inside out" injury ... Complications #MSK ... #Orthopedics
Low Ankle Sprain: Pathomechanics and Clinical Findings

Grading Ligament Sprains
l: Minimal ligament disruption, mild swelling & tenderness,
most commonly injured ... (uncommonly injured ... PTFL is rarely injured ... LowAnkleSprain #Sports ... #MSK #orthopedics
Acute Compartment Syndrome
 • Crush injuries, burns, circumferential constriction to limbs (each containing facially divided muscle
local signalling mechanisms ... pressure #Acute #CompartmentSyndrome ... pathophysiology #orthopedics
Classification of Pelvic Ring Fractures: Mechanisms, Clinical Features and Complications
 • Anterior Posterior Compression (APC) -
Ring Fractures: Mechanisms ... possible vascular injury ... - Type 1 or 2 injury ... Grades #Grading #Orthopedics ... #MSK #diagnosis
Femoral Head Fracture: Pathogenesis and clinical findings
 • Posterior hip dislocation -> Impaction force from femoral
Avulsion or shearing injury ... FemoralHead #Fractures #msk ... signs #symptoms #orthopedics
Posterior Cruciate Ligament (PCL) Injury: Pathogenesis and Clinical Findings
Classification of PCL Iniuries
 • Partial: Translation <
Ligament (PCL) Injury ... Some sort of end ... PCL: The PCL is injured ... PosteriorCruciateLigament #PCL #Injury ... #MSK #Sports #pathophysiology
Isolated Anterior Cruciate Ligament (ACL) Injury: Pathogenesis and clinical findings
 • Feeling a "pop"
 • Acute
Ligament (ACL) Injury ... AnteriorCruciateLigament #ACL #Injury ... #MSK #Sports #pathophysiology
Fracture Healing (and disruptors of this process)
Inflammatory Stage (0-7d)
 • Fracture disrupts local blood vessels ->
healing time, mechanisms ... Healing #Stages #Orthopedics ... #msk #Staging #