33 results
Hypersensitivity: Summary
Type I Hypersensitivity:
 • Immunological Mediator: lgE
 • Immunological Target: Allergen Molecules
 • Ex: Antibiotic
Immunological Target: Allergen ... fever, Urticaria, Allergic ... Hypersensitivity #Allergy ... #Allergic #Reactions ... #Types #Classification
Type I Hypersensitivity: Pathogenesis and clinical findings
Definition: Production of lgE Antibodies that bind to harmless allergens
Type I Hypersensitivity ... leading to an allergic ... Anaphylaxis #TypeI ... #Type1 #HypersensitivityReaction ... #pathophysiology
Allergic Reaction Classification
Type 1 reaction: Acute anaphylactic reaction
Type 2 reaction: Cytotoxic reaction
Type 3 reaction: Immune complex
Type
Allergic Reaction ... Classification ... delayed reaction #Allergic ... #Reaction #Classification ... #Types #allergy
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 ... (produced from normal ... An allergic reaction ... #Types #Classification
Angioedema - Classification Diagnosis and Treatment
Types of Angioedema:
 • Acute allergic angioedema - Usually occurs with
and Treatment Types ... Angioedema: • Acute allergic ... exposure • Non-allergic ... or avoiding the allergen ... Treatment #management #allergy
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
Soluble antigen - Allergen-specific ... When the specific allergen ... #Classification ... #Pathophysiology ... #Allergy #Diagnosis
Wellen's Syndrome 
Type A - Biphasic T wave 
Type B - Deeply inverted T wave
Wellen's Syndrome Type ... Biphasic T wave Type ... anterior descending (LAD ... presentation • Normal ... #TypeB #Classification
Allergic Rhinitis
Mild to severe persistent nasal mucosal inflammation to specific allergic triggers
WHO? 
 • 1 in
Allergic Rhinitis ... inflammation to specific allergic ... Birthday • Smoke / Allergen ... Sinusitis • Allergic ... NUIM_Chiefs #Allergic
Types of hypersensitivity reactions

Type I - lgE-Mediated, Within I Hour (Anaphylaxis)
Type II - IgG or IgM
Types of hypersensitivity ... reactions Type ... (Anaphylaxis) Type ... #Classification ... #Allergy #Diagnosis