111 results
Allergic Reaction Classification
Type 1 reaction: Acute anaphylactic reaction
Type 2 reaction: Cytotoxic reaction
Type 3 reaction: Immune complex
Type
Allergic Reaction ... Classification Type ... reaction: Immune complex ... delayed reaction #Allergic ... #allergy #diagnosis
Type I Hypersensitivity: Pathogenesis and clinical findings
Definition: Production of lgE Antibodies that bind to harmless allergens
Type I Hypersensitivity ... complex -> Allergen-antibody ... complexes bind ... Anaphylaxis #TypeI ... #Type1 #HypersensitivityReaction
Hypersensitivity: Summary
Type I Hypersensitivity:
 • Immunological Mediator: lgE
 • Immunological Target: Allergen Molecules
 • Ex: Antibiotic
Hypersensitivity: Summary Type ... conjunctivitis Type ... Graves' Disease Type ... Antigen-Ab immune complexes ... Serum sickness Type
Hypersensitivity: Definitions
 • Type I - Production of lgE Abs that bind to harmless allergens and
Definitions • Type ... cell surfaces causes ... antigen-surface complex ... antibody-antigen complexes ... causes development
Types of hypersensitivity reactions

Type I - lgE-Mediated, Within I Hour (Anaphylaxis)
Type II - IgG or IgM
Types of hypersensitivity ... reactions Type ... (Anaphylaxis) Type ... Ill - Immune Complex-Mediated ... Classification #Allergy
Type IV Hypersensitivity: Pathogenesis and clinical findings
Definition: Unique because it is entirely T-Cell mediated; exposure to
Type IV Hypersensitivity ... causes development ... of allergen-specific ... Allergic reaction ... ivy) #TypeIV #Type4
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
Mechanism of Action: Allergen-specific ... lgE causes mast-cell ... Antigen-antibody complex ... Antigen-antibody complexes ... #allergy #table
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
Hypersensitivity Types ... Soluble antigen - Allergen-specific ... When the specific allergen ... Antigen-antibody complexes ... Pathophysiology #Allergy
Type III Hypersensitivity: Pathogenesis and clinical findings
Definition: Small antigen-antibody complexes (produced from normal immune response to
Type III Hypersensitivity ... antigen-antibody complexes ... self-antigens are the cause ... antigens are the cause ... HypersensitivityReaction #Allergy
Type II Hypersensitivity: Pathogenesis and clinical findings
Definition: When antigens bind to the body's cell surfaces, forming
Type II Hypersensitivity ... antigen-surface complex ... cell surfaces #Type2 ... #Type2 #HypersensitivityReaction ... #Allergy #Immunology