23 results
Hypersensitivity: Summary
Type I Hypersensitivity:
 • Immunological Mediator: lgE
 • Immunological Target: Allergen Molecules
 • Ex: Antibiotic
Hypersensitivity ... Target: Modified cell ... Immunological Mediator: Th Cells ... #Allergy #Allergic ... Reactions #Types #Classification
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
Hypersensitivity ... , and drug allergies ... sclerosis #Hypersensitivity ... #Types #Classification ... Diagnosis #Reactions #Table
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
Summary table of ... types of hypersensitivity ... lgE causes mast-cell ... Graft rejection #hypersensitivity ... #table #classification
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 ... causes development ... of allergen-specific ... Allergic reaction
Hypersensitivity: Definitions
 • Type I - Production of lgE Abs that bind to harmless allergens and
Hypersensitivity ... surfaces causes ... causes development ... #Hypersensitivity ... Reactions #Types #Classification
Angioedema - Classification Diagnosis and Treatment
Types of Angioedema:
 • Acute allergic angioedema - Usually occurs with
Angioedema - Classification ... Angioedema: • Mast cell-mediated ... in > 90% of cases ... is key • Mast cell-mediated ... #Angioedema #Classification
Types of hypersensitivity reactions

Type I - lgE-Mediated, Within I Hour (Anaphylaxis)
Type II - IgG or IgM
Types of hypersensitivity ... Sickness) Type IV T-Cell-Mediated ... happypillsrx/ #hypersensitivity ... reactions #Types #Classification ... #Allergy #Diagnosis
Eosinophilia - Differential Diagnosis Algorithm
Idiopathic Eosinophilia
Primary Eosinophilia:
 • Primary hypereosinophilic syndrome
 • Eosinophilic Leukemia
 • MPN/MDS
Differential Diagnosis Algorithm ... histiocytosis • Allergic ... , Eczema, Drug Hypersensitivity ... Differential #Diagnosis #Algorithm ... #allergy
Basophilia - Differential Diagnosis Framework

Basophils < 1% of the total white blood cell count
Basophils function similarly
total white blood cell ... similarly to mast cells ... released during an allergic ... basophilic leukemia Hypersensitivity ... Chickenpox Other Causes
Causes of Hematuria - Differential Diagnosis Algorithm
Red blood cells on urine microscopy. Must exclude false positives
Causes of Hematuria ... Differential Diagnosis Algorithm ... Red blood cells ... on urine microscopy ... #Causes