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 ... spinal artery injury ... #orthopedics #neurology
Low Ankle Sprain: Pathomechanics and Clinical Findings

Grading Ligament Sprains
l: Minimal ligament disruption, mild swelling & tenderness,
most commonly injured ... the CFL is also injured ... (uncommonly injured ... PTFL is rarely injured ... LowAnkleSprain #Sports
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
Acute Rheumatic Fever: Pathogenesis and Clinical Findings

Delayed autoimmune reaction
-> Molecular mimicry
-> GAS antigen cross-reacts with host
->
cells -> Tissue injury ... Pancarditis and valvular injury
Myelopathy - Injury to the entire spinal cord - Signs and Symptoms
 • Ataxia (early sign)
Myelopathy - Injury
Childhood Immunization Schedule: Why we immunize
 • Diphtheria Toxin -> URT inflammation causes pseudomembrane with hardened
Tetanus Toxin -> Spores ... metabolites induce injury ... lymph -> Koplik's spots
Acquired Immunodeficiency Syndrome (AIDS): Summary of Causes and Ocular Manifestations
 • Molluscum lesions
 • Eyelid Kaposi
• Cotton wool spots
Classification of Pelvic Ring Fractures: Mechanisms, Clinical Features and Complications
 • Anterior Posterior Compression (APC) -
possible vascular injury ... - Type 1 or 2 injury
Open Fractures: Mechanisms, Clinical Features and Complications
Gustilo-Anderson Classification:
 • Type I
   - Wound <
Typically "inside out" injury
RICE: Mechanism of Action
Rest (weight bearing or stressful motion discontinued)
Ice (applied to injury)
Compression (wrap applied to
Ice (applied to injury ... wrap applied to injured ... heart) #RICE #Sports