9 results
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
lgE causes mast-cell ... , Haemolytic disease ... lupus erythematosus ... #types #allergy ... #table #classification
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
- Local and systemic ... , and systemic lupus ... erythematosus ... #Diagnosis #Reactions ... #Table
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
often causes arthritis ... Diagnosis: Systemic ... differential #diagnosis ... #rheumatology # ... classification
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
• Autoimmune diseases ... Types II and III ... lupus erythematosus ... #types #classification ... #rheumatology #
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
Classification: ... Diagnosis: • ANCA-associated ... • Type-I Interferonopathies ... Induced Lupus: • Symptoms ... #Diagnosis #Rheumatology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... Differential Diagnosis ... often causes arthritis ... #Differential #Diagnosis ... #Rheumatology
Sweet Syndrome

Acute febrile neutrophilic dermatosis (Sweets Syndrome) is a skin condition characterized by fever and inflamed
disease. ... Causes: - Idiopathic ... , breast CA - Hematologic ... such as certain types ... CANDLE syndrome - Allergic
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
, Arthritis, myalgia ... Discontinuation of causal ... Lupus Erythematosus ... #rheumatology # ... diagnosis #management
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 ... #differential # ... diagnosis #dermatology