5 results
Hypersensitivity: Summary
Type I Hypersensitivity:
 • Immunological Mediator: lgE
 • Immunological Target: Allergen Molecules
 • Ex: Antibiotic
complexes • Ex: Systemic ... Lupus Erythematosus ... Syndrome, Contact Dermatitis ... (ie. reaction to ... #Allergic #Reactions
Vesiculobullous Skin Rash - Differential Diagnosis Algorithm
Vesicles Fragile/EasiIy Ruptured - Intraepidermal blisters, possibly crusts/erosions
 - Inflammatory
Vesiculobullous Skin Rash - Differential ... • Contact dermatitis ... • Bullous systemic ... lupus erythematous ... Vesiculobullous #SkinRash
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
glomerulonephritis, Systemic ... lupus erythematosus ... Examples: Contact dermatitis ... #types #allergy ... classification #comparison
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
- Local and systemic ... arthritis, and systemic ... lupus erythematosus ... - Contact dermatitis ... #Diagnosis #Reactions
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
inflammation Others: • Lupus ... ischemia - Skin: erythematous ... lupus erythematosus ... disease, drug reactions ... #diagnosis #rheumatology