12 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
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
Soluble antigen - Allergen-specific ... When the specific allergen ... Hypersensitivity #Types #Classification ... Pathophysiology #Allergy ... Diagnosis #Reactions #Table
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
Hypersensitivity: Definitions
 • Type I - Production of lgE Abs that bind to harmless allergens and
leading to an allergic ... leading to an allergic ... An allergic reaction ... #Allergic #Reactions ... #Types #Classification
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
Summary table of ... Mechanism of Action: Allergen-specific ... , Drug allergies ... reactions #types #allergy ... #table #classification
Eosinophilia - Differential Diagnosis Algorithm
Idiopathic Eosinophilia
Primary Eosinophilia:
 • Primary hypereosinophilic syndrome
 • Eosinophilic Leukemia
 • MPN/MDS
Differential Diagnosis Algorithm ... leuk/lymphoma, B-cell ... histiocytosis • Allergic ... Differential #Diagnosis #Algorithm ... #allergy
Types of hypersensitivity reactions

Type I - lgE-Mediated, Within I Hour (Anaphylaxis)
Type II - IgG or IgM
Sickness) Type IV T-Cell-Mediated ... reactions #Types #Classification ... #Allergy #Diagnosis
Causes of Diffuse Lymphadenopathy - Differential Diagnosis Algorithm
Reactive:
 - Systemic Inflammatory
     •
Differential Diagnosis Algorithm ... • Acne • Allergy ... Reed-Sternberg Cells ... Differential #Diagnosis #Algorithm
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
Disorders Testing Algorithm ... Eosinophilia, 500-1,500 cells ... Hypereosinophilia, >1,500 cells ... causes are asthma, allergy ... Eosinophil #Disorders #Algorithm
There are 2 Major Types of Angioedema:
 - Mast cell / histamine mediated – usually presents
Angioedema: - Mast cell ... angioedema AND allergic ... presents WITHOUT allergic ... Diagnosis #Angioedema #Classification