4 results
Hypersensitivity: Summary
Type I Hypersensitivity:
 • Immunological Mediator: lgE
 • Immunological Target: Allergen Molecules
 • Ex: Antibiotic
Autoimmune thrombocytic purpura ... • Ex: Systemic Lupus ... Syndrome, Contact Dermatitis ... #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
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Diagnosis Framework ... Dermatosis: Schamberg ... 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