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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pathophysiology diagnosis signs symptoms complications hypersensitivityreaction anaphylaxis otitismedia ankylosingspondylitis benign bph c5c9deficiency cascade centralretinalartery cholesteatoma complement crao extraarticular hyperplasia inflammatory
Type IV Hypersensitivity: Pathogenesis and clinical findings Definition: Unique because it is entirely T-Cell mediated; exposure to
mediated; exposure to allergen ... Allergic reaction ... Initial exposure to allergen ... cells or CTLs -> Inflammation ... #Immunology #pathophysiology
Type I Hypersensitivity: Pathogenesis and clinical findings Definition: Production of lgE Antibodies that bind to harmless allergens
leading to an allergic ... Sensitization" to Allergen ... Initial exposure to allergen ... Complications: • Acute ... #Immunology #pathophysiology
Anaphylaxis: Signs and Symptoms Anaphylaxis: when any egg of three conditions is met: 1. Acute onset of skin/mucosal
Acute onset of skin ... exposure to a likely allergen ... exposure to known allergen ... symptoms in the acute ... pathophysiology #immunology
Type III Hypersensitivity: Pathogenesis and clinical findings Definition: Small antigen-antibody complexes (produced from normal immune response to
HypersensitivityReaction #Allergy ... #Immunology #pathophysiology
Inflammatory Cascade: Pathogenesis and Clinical Findings Continued Innate Immunity • Phagocytosis: (main mechanism) neutrophils and macrophages engulf
destruction), promote inflammation ... Inflammatory #Cascade #Inflammation ... pathophysiology #immunology
Anaphylaxis: Treatments (Acute) Additional Info: • IV steroids may be considered for prevention of late phase reactions.
Anaphylaxis: Treatments (Acute ... provided, as well as allergy ... pathophysiology #immunology
Type II Hypersensitivity: Pathogenesis and clinical findings Definition: When antigens bind to the body's cell surfaces, forming
HypersensitivityReaction #Allergy ... #Immunology #pathophysiology
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
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