The Calgary Guide to Understanding Disease @TheCalgaryGuide
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Type III Hypersensitivity: Pathogenesis and clinical findings
Definition: Small antigen-antibody complexes (produced from normal immune response to
TypeIII #Type3 #HypersensitivityReaction ... #Allergy #Immunology
Type IV Hypersensitivity: Pathogenesis and clinical findings
Definition: Unique because it is entirely T-Cell mediated; exposure to
cells or CTLs -> Inflammation ... TypeIV #Type4 #HypersensitivityReaction ... #Allergy #Immunology
Inflammatory Cascade: Pathogenesis and Clinical Findings
Continued Innate Immunity
 • Phagocytosis: (main mechanism) neutrophils and macrophages engulf
destruction), promote inflammation ... Inflammatory #Cascade #Inflammation ... pathophysiology #immunology
Type I Hypersensitivity: Pathogenesis and clinical findings
Definition: Production of lgE Antibodies that bind to harmless allergens
Complications: • Acute ... #TypeI #Type1 #HypersensitivityReaction ... #Allergy #Immunology
Type II Hypersensitivity: Pathogenesis and clinical findings
Definition: When antigens bind to the body's cell surfaces, forming
#Type2 #Type2 #HypersensitivityReaction ... #Allergy #Immunology
Anaphylaxis: Signs and Symptoms
Anaphylaxis: when any egg of three conditions is met:
1. Acute onset of skin/mucosal
Acute onset of skin ... symptoms in the acute ... pathophysiology #immunology
Acute Rheumatic Fever: Pathogenesis and Clinical Findings

Delayed autoimmune reaction
-> Molecular mimicry
-> GAS antigen cross-reacts with host
->
Acute Rheumatic ... Tissue injury and inflammation ... , Carditis #Acute
Mastoiditis: Pathogenesis and clinical findings

Acute or Chronic Otitis Media -> 
Stage 1: Hyperemeia of the mastoid
clinical findings Acute ... mastoid air cells (inflammation ... mucosa leads to inflammation ... mastoid air cells (inflammation ... (infection or inflammation
C5-C9 Deficiency - Pathogenesis and Clinical Findings
Note:
 • Risk of invasive meningococcal disease is 1000-10000x higher
Inflammation ... pathophysiology #immunology
Anaphylaxis: Treatments (Acute)
Additional Info:
 • IV steroids may be considered for prevention of late phase reactions.
Anaphylaxis: Treatments (Acute ... pathophysiology #immunology