248 results
Hypersensitivity: Summary
Type I Hypersensitivity:
 • Immunological Mediator: lgE
 • Immunological Target: Allergen Molecules
 • Ex: Antibiotic
Hypersensitivity ... Immunological Target: Allergen ... fever, Urticaria, Allergic ... Immunological Target: Allergen ... #Allergy #Allergic
Allergic Contact Dermatitis 
- Erythematous, indurated, scaly plaques 
- T-cell mediated, delayed-type hypersensitivity response to exogenous
Allergic Contact ... , delayed-type hypersensitivity ... Contact #Dermatitis #Allergic ... #Allergy #Dermatology
Milk Hypersensitivity Allergy

This 6-month-old breast-fed infant developed an allergic reaction (a), with widespread urticaria immediately after
Milk Hypersensitivity ... Allergy This ... infant developed an allergic ... (c) #Milk #Hypersensitivity ... #Allergy #Clinical
Type I Hypersensitivity: Pathogenesis and clinical findings
Definition: Production of lgE Antibodies that bind to harmless allergens
Type I Hypersensitivity ... leading to an allergic ... Sensitization" to Allergen ... Initial exposure to allergen ... after clearance of allergen
Type IV Hypersensitivity: Pathogenesis and clinical findings
Definition: Unique because it is entirely T-Cell mediated; exposure to
Type IV Hypersensitivity ... mediated; exposure to allergen ... development of allergen-specific ... Allergic reaction ... Initial exposure to allergen
Hypersensitivity: Definitions
 • Type I - Production of lgE Abs that bind to harmless allergens and
Hypersensitivity ... leading to an allergic ... leading to an allergic ... #Hypersensitivity ... #Allergy #Allergic
Types of hypersensitivity reactions

Type I - lgE-Mediated, Within I Hour (Anaphylaxis)
Type II - IgG or IgM
Types of hypersensitivity ... happypillsrx/ #hypersensitivity ... Classification #Allergy
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
Hypersensitivity ... Soluble antigen - Allergen-specific ... When the specific allergen ... sclerosis #Hypersensitivity ... Pathophysiology #Allergy
Type III Hypersensitivity: Pathogenesis and clinical findings
Definition: Small antigen-antibody complexes (produced from normal immune response to
Type III Hypersensitivity ... HypersensitivityReaction #Allergy
Eosinophilia - Differential Diagnosis Algorithm
Idiopathic Eosinophilia
Primary Eosinophilia:
 • Primary hypereosinophilic syndrome
 • Eosinophilic Leukemia
 • MPN/MDS
histiocytosis • Allergic ... , Eczema, Drug Hypersensitivity ... Diagnosis #Algorithm #allergy