6 results
Hypersensitivity: Summary
Type I Hypersensitivity:
 • Immunological Mediator: lgE
 • Immunological Target: Allergen Molecules
 • Ex: Antibiotic
• Ex: Systemic Lupus ... Syndrome, Contact Dermatitis ... (ie. reaction to ... #Types #Classification ... #Diagnosis #Definitions
Vesiculobullous Skin Rash - Differential Diagnosis Algorithm
Vesicles Fragile/EasiIy Ruptured - Intraepidermal blisters, possibly crusts/erosions
 - Inflammatory
- Differential Diagnosis ... Algorithm Vesicles ... Bullous systemic lupus ... drug eruption #Vesicular ... Vesiculobullous #SkinRash
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
table of types of hypersensitivity ... glomerulonephritis, Systemic lupus ... Examples: Contact dermatitis ... allergy #table #classification ... #comparison
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
, and systemic lupus ... - Contact dermatitis ... #Types #Classification ... Pathophysiology #Allergy #Diagnosis ... #Reactions #Table
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
- Differential Diagnosis ... Pigmented Purpuric Dermatosis ... Vasculitis: • Hypersensitivity ... fever • Drug reactions ... • Erythema gangrenosum
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
inflammation Others: • Lupus ... and bullous or vesicular ... such as systemic lupus ... disease, drug reactions ... #rheumatology #classification