The Calgary Guide to Understanding Disease @TheCalgaryGuide
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signs symptoms immunology hypersensitivityreaction anaphylaxis classification definitions hypersensitivity reactions types acute anticonvulsants benign bph dysfunction erectile hydrocele hyperplasia incontinence injury
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 ... after clearance of allergen ... #Immunology #pathophysiology
Hypersensitivity: Summary Type I Hypersensitivity: • Immunological Mediator: lgE • Immunological Target: Allergen Molecules • Ex: Antibiotic
Immunological Target: Allergen ... fever, Urticaria, Allergic ... Hypersensitivity #Allergy ... #Allergic #Reactions ... Classification #Diagnosis
Type IV Hypersensitivity: Pathogenesis and clinical findings Definition: Unique because it is entirely T-Cell mediated; exposure to
mediated; exposure to allergen ... development of allergen-specific ... Allergic reaction ... Initial exposure to allergen ... HypersensitivityReaction #Allergy
Hypersensitivity: Definitions • Type I - Production of lgE Abs that bind to harmless allergens and
leading to an allergic ... leading to an allergic ... An allergic reaction ... #Allergic #Reactions ... Classification #Diagnosis
Allergic Rhinitis: Pathogenesis and clinical findings 1. Allergy Sensitization -> Antigen Exposure -> APC (macrophages, HLA class
Allergic Rhinitis ... Allergy Sensitization ... Tissue edema #Allergic ... Rhinitis #Rhinorrhea #pathophysiology
Type III Hypersensitivity: Pathogenesis and clinical findings Definition: Small antigen-antibody complexes (produced from normal immune response to
HypersensitivityReaction #Allergy ... #Immunology #pathophysiology
Anaphylaxis: Signs and Symptoms Anaphylaxis: when any egg of three conditions is met: 1. Acute onset of skin/mucosal
exposure to a likely allergen ... exposure to known allergen ... #Anaphylaxis #pathophysiology ... #immunology #diagnosis
Anticonvulsants as Mood Stabilizers: Mechanism and Side-effect Examples: Valproate, Carbamazepine, Lamotrigine • Mild anticholinergic effect -> Drowsiness
constipation • Allergic ... #SideEffects #Pathophysiology
Type II Hypersensitivity: Pathogenesis and clinical findings Definition: When antigens bind to the body's cell surfaces, forming
HypersensitivityReaction #Allergy ... #Immunology #pathophysiology
Anaphylaxis: Treatments (Acute) Additional Info: • IV steroids may be considered for prevention of late phase reactions.
provided, as well as allergy ... Treatments #Management #pathophysiology
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