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

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
pulmonary and renal ... tract, and often causes ... disease, drug reactions ... • Urinalysis (Renal ... #rheumatology #classification