39 results
Hypersensitivity: Summary
Type I Hypersensitivity:
 • Immunological Mediator: lgE
 • Immunological Target: Allergen Molecules
 • Ex: Antibiotic
Hypersensitivity ... Immunological Target: Allergen ... fever, Urticaria, Allergic ... #Allergy #Allergic ... Classification #Diagnosis
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
Hypersensitivity ... antigen, leading to complement ... Complement activation ... sclerosis #Hypersensitivity ... #Diagnosis #Reactions
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
table of types of hypersensitivity ... Mechanism of Action: Allergen-specific ... antigens, leading to complement ... they activate complement ... reactions #types #allergy
Effect of Selected Diseases on Complement Levels - C3, C4
 • SLE C3 ↓ C4 ↓↓
Selected Diseases on Complement ... C3 ↓ C4 ↓↓ • Cryo ... ThePeanutKidney #Complement ... #differential #diagnosis
Types of hypersensitivity reactions

Type I - lgE-Mediated, Within I Hour (Anaphylaxis)
Type II - IgG or IgM
Types of hypersensitivity ... happypillsrx/ #hypersensitivity ... Classification #Allergy ... #Diagnosis
Eosinophilia - Differential Diagnosis Algorithm
Idiopathic Eosinophilia
Primary Eosinophilia:
 • Primary hypereosinophilic syndrome
 • Eosinophilic Leukemia
 • MPN/MDS
- Differential Diagnosis ... Algorithm Idiopathic ... histiocytosis • Allergic ... , Eczema, Drug Hypersensitivity ... #Algorithm #allergy
Algorithm for Suspected Penicillin Allergy in Patients Undergoing Surgery 

• Cephalosporins may be prescribed to patients
Algorithm for Suspected ... Penicillin Allergy ... decision support algorithm ... are diagnosed as ... #Surgery #Algorithm
Hypersensitivity: Definitions
 • Type I - Production of lgE Abs that bind to harmless allergens and
Hypersensitivity ... leading to an allergic ... #Hypersensitivity ... #Allergy #Allergic ... Classification #Diagnosis
Type II Hypersensitivity: Pathogenesis and clinical findings
Definition: When antigens bind to the body's cell surfaces, forming
Type II Hypersensitivity ... activates the complement ... HypersensitivityReaction #Allergy
Approach to the diagnosis of chronic hypersensitivity pneumonitis. 
*Consider additional test: bronchoscopy with bronchoalveolar lavage, transbronchial
Approach to the diagnosis ... of chronic hypersensitivity ... #hypersensitivity ... pneumonitis #pulmonary #diagnosis ... #algorithm #HP