6 results
Hypersensitivity: Summary
Type I Hypersensitivity:
 • Immunological Mediator: lgE
 • Immunological Target: Allergen Molecules
 • Ex: Antibiotic
• Ex: Systemic Lupus ... Stevens-Johnson Syndrome ... , Contact Dermatitis ... #Allergic #Reactions ... Classification #Diagnosis #Definitions
Vesiculobullous Skin Rash - Differential Diagnosis Algorithm
Vesicles Fragile/EasiIy Ruptured - Intraepidermal blisters, possibly crusts/erosions
 - Inflammatory
Diagnosis Algorithm ... Agent • Contact ... dermatitis Vesicles ... Bullous systemic lupus ... Vesiculobullous #SkinRash
Type IV Hypersensitivity: Pathogenesis and clinical findings
Definition: Unique because it is entirely T-Cell mediated; exposure to
clinical findings Definition ... mediated; exposure to allergen ... Allergic reaction ... Stevens-Johnson Syndrome ... • Contact Dermatitis
Eczematous Skin Rash - Differential Diagnosis Algorithm
Eczematous - Pruritic/Scaly/Erythematous lesions. Usually poorly demarcated
 • Atopic Dermatitis
Eczematous Skin Rash - Differential ... Diagnosis Algorithm ... • Contact Dermatitis ... anyone - Allergic ... #Eczematous #SkinRash
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
glomerulonephritis, Systemic lupus ... ) - Examples: Contact ... dermatitis, Tuberculin ... #types #allergy ... classification #comparison
Causes of Pseudocellulitis - Differential Diagnosis Framework for Cellulitis Mimics

Cellulitis: Deep skin and subcutaneous fat infection

Pseudo
Pseudocellulitis - Differential ... antibiotics and avoid allergic ... reactions, C. diff ... • Contact dermatitis ... • Compartment syndrome