8 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
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
SLE (Systemic Lupus ... permanent alopecia Differential ... Kikuchi disease • Type-I ... lupus erythematosus ... #Lupus #Erythematosus
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential ... inflammation Others: • Lupus ... lupus erythematosus ... disease, drug reactions ... #rheumatology #
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... disease, drug reactions ... ischemia • Skin: Erythematous ... - interstitial keratitis ... Diagnosis #Rheumatology
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
Erythema ab igne • A dermatosis ... form of delayed-type ... of necrotizing vasculitis ... presenting with erythematous ... #table #differential