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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Major Depressive Disorder (MDD): Pathogenesis and Clinical Findings

Symptoms (included in DSM 5 criteria) - Present during
Major Depressive ... included in DSM 5 criteria ... MajorDepressiveDisorder #Depression ... MoodDisorders #Diagnosis #Pathophysiology ... #Signs #Symptoms
Anaphylaxis: Signs and Symptoms
Anaphylaxis: when any egg of three conditions is met:
1. Acute onset of skin/mucosal
Anaphylaxis: Signs ... phase symptoms Signs ... #Anaphylaxis #pathophysiology ... #immunology #diagnosis ... #signs #symptoms
Stress Fracture: Pathogenesis and clinical findings
Abnormal biomechanics, Repetitive impact activities
=> Repetitive subthreshold mechanical loading
=> Bone strain
=>
StressFractures #msk #orthopedics ... #pathophysiology ... #symptoms #signs
Giant Cell (Temporal) Arteritis: Pathogenesis and investigations
Risk Factors:
 - Unclear environmental triggers (may be viral, not
inflammatory cytokine expression ... yrs old; F>M Signs ... Temporal #Arteritis #Pathophysiology ... #Diagnosis #Signs
Femoral Head Fracture: Pathogenesis and clinical findings
 • Posterior hip dislocation -> Impaction force from femoral
onto lateral hip Signs ... msk #diagnosis #pathophysiology ... #signs #symptoms ... #orthopedics
Achilles Tendon Rupture - Pathogenesis and clinical findings
 • The Achilles tendon is 15cm long in
pre-determined etiology Signs ... TendonRupture #diagnosis #signs ... #symptoms #pathophysiology ... #msk #orthopedics
Feedback Loop: Growth Hormone (GH)
Growth Hormone:
 • Liver -> GHR activates JAK-STAT pathway -> Incr IGF1
pathway -> Incr gene expression ... activates lipolysis Signs ... endocrinology #pathophysiology
X-Linked Agammaglobulinemia: Pathogenesis and clinical findings
The epidemiology of this disease is 1/340,000 births and roughly double
Signs of immunodeficiency ... humoral immunity Signs ... Agammaglobulinemia #XLinked #pathophysiology ... #immunology
Glucocorticoid-Induced Osteoporosis: Pathogenesis and Clinical Findings

 • Negative feedback on hypothalamus/pituitary, Decreasing ACTH -> Decr Sex
Upregulate gene expression ... #Osteoporosis #pathophysiology ... #signs #symptoms
Anterior Shoulder Dislocation: Pathogenesis, clinical, and radiographic findings

Trauma, Fall on, outstretched arm, Overhead throwing => Abduction
Dislocation #Diagnosis #signs ... symptoms #msk #orthopedics ... #pathophysiology