74 results
Allergic Reaction Classification
Type 1 reaction: Acute anaphylactic reaction
Type 2 reaction: Cytotoxic reaction
Type 3 reaction: Immune complex
Type
Allergic Reaction ... Classification ... Type 1 reaction: ... : Immune complex ... #Classification
Types of hypersensitivity reactions

Type I - lgE-Mediated, Within I Hour (Anaphylaxis)
Type II - IgG or IgM
hypersensitivity reactions ... Type Ill - Immune Complex-Mediated ... hypersensitivity #reactions ... #Types #Classification
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
hypersensitivity reactions ... Allergen-specific lgE causes ... Antigen-antibody complex ... Antigen-antibody complexes ... allergy #table #classification
Vesiculobullous Skin Rash - Differential Diagnosis Algorithm
Vesicles Fragile/EasiIy Ruptured - Intraepidermal blisters, possibly crusts/erosions
 - Inflammatory
• Herpes simplex ... Bullous impetigo - Reaction ... diabeticorum) - Reaction ... Vesiculobullous #SkinRash #dermatology ... Diagnosis #Algorithm #causes
Differential Diagnosis for Hemolytic Anemia
Intrinsic Causes:
 • Enzyme deficiencies ex. G6PD, pyruvate kinase 
 • Hemoglobinopathies
Anemia Intrinsic Causes ... Intravascular Causes ... • Transfusion reactions ... #classification ... #hematology
Hemolysis Classification - Intrinsic and Extrinsic Causes

Commentary: Another way to think of immune hemolysis would be
Hemolysis Classification ... and Extrinsic Causes ... autoimmune (most of the causes ... hemolytic transfusion reactions ... #Hemolysis #Classification
Hypersensitivity: Summary
Type I Hypersensitivity:
 • Immunological Mediator: lgE
 • Immunological Target: Allergen Molecules
 • Ex: Antibiotic
Penicillin-induced drug reaction ... Antigen-Ab immune complexes ... Dermatitis (ie. reaction ... Allergy #Allergic #Reactions ... #Types #Classification
Uveitis - Definition, Causes and SUN Classification

Inflammation of the iris, ciliary body, vitreous, retina and/or choroid
Incidence
and SUN Classification ... inhabitants 3rd leading cause ... Bartonella SUN Classification ... #SUN #Classification ... Ophthalmology #Rheumatology
Basophilia - Differential Diagnosis Framework

Basophils < 1% of the total white blood cell count
Basophils function similarly
during an allergic reaction ... Or Inflammatory Reactions ... Chickenpox Other Causes ... Differential #Diagnosis #causes ... #hematology #basophils
Hypersensitivity: Definitions
 • Type I - Production of lgE Abs that bind to harmless allergens and
cell surfaces causes ... antigen-surface complex ... antibody-antigen complexes ... exposure to allergen causes ... #Types #Classification