87 results
Hypersensitivity: Summary
Type I Hypersensitivity:
 • Immunological Mediator: lgE
 • Immunological Target: Allergen Molecules
 • Ex: Antibiotic
Immunological Target: Allergen ... fever, Urticaria, Allergic ... Antigen-Ab immune complexes ... #Allergic #Reactions ... #Types #Classification
Allergic Reaction Classification
Type 1 reaction: Acute anaphylactic reaction
Type 2 reaction: Cytotoxic reaction
Type 3 reaction: Immune complex
Type
Allergic Reaction ... Classification ... reaction: Immune complex ... delayed reaction #Allergic ... #Types #allergy
Hypersensitivity: Definitions
 • Type I - Production of lgE Abs that bind to harmless allergens and
leading to an allergic ... cell surfaces causes ... antigen-surface complex ... causes development ... #Types #Classification
Angioedema - Classification Diagnosis and Treatment
Types of Angioedema:
 • Acute allergic angioedema - Usually occurs with
Angioedema - Classification ... Angioedema: • Acute allergic ... exposure • Non-allergic ... or avoiding the allergen ... Treatment #management #allergy
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 ... reactions #types #allergy ... #table #classification
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
Soluble antigen - Allergen-specific ... When the specific allergen ... Antigen-antibody complexes ... Hypersensitivity #Types #Classification ... Pathophysiology #Allergy
Pediatric Mouth Disorders - Differential Diagnosis Algorithm
Teeth:
 • Teething
Painful - Gastrointestinal:
 • Crohn's Disease
 • Ulcerative
Mouth Disorders - Differential ... Diagnosis Algorithm ... Sore • Herpes Simplex ... Inflammation: • Allergic ... #Causes #Peds #
Eosinophils (Eos) and hypereosinophilia (HE)
Caused by eosinophilopoietic cytokines
Common causes:
 - Drug reaction
 - Helminth infection
 -
cytokines Common causes ... infection - Allergic ... disease Rare causes ... + T cells) - Allergic ... hypereosinophilia #HE #Differential
Eosinophilia - Differential Diagnosis Algorithm
Idiopathic Eosinophilia
Primary Eosinophilia:
 • Primary hypereosinophilic syndrome
 • Eosinophilic Leukemia
 • MPN/MDS
Eosinophilia - Differential ... Diagnosis Algorithm ... histiocytosis • Allergic ... #Diagnosis #Algorithm ... #allergy
Types of hypersensitivity reactions

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