8 results
Vesiculobullous Skin Rash - Differential Diagnosis Algorithm
Vesicles Fragile/EasiIy Ruptured - Intraepidermal blisters, possibly crusts/erosions
 - Inflammatory
• Bullous systemic ... lupus erythematous ... Vesiculobullous #SkinRash ... #dermatology #Differential ... Diagnosis #Algorithm #causes
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
• Autoimmune diseases ... vasculitis • Hypersensitivity ... lupus erythematosus ... diagnosis #types #classification ... #rheumatology #
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
Allergen-specific lgE causes ... , Haemolytic disease ... glomerulonephritis, Systemic ... lupus erythematosus ... #classification
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
during hemolytic disease ... lupus erythematosus ... - Contact dermatitis ... #Types #Classification ... #Table
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tract, and often causes ... lupus erythematosus ... , drug reactions ... #diagnosis #rheumatology ... #classification
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
months to years) Systemic ... Lupus Erythematosus ... Evolution: Chronic disease ... Lupusreference #druginduced ... #table #rheumatology
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
Erythema ab igne • A dermatosis ... of delayed-type hypersensitivity ... presenting with erythematous ... Erythemas #comparison #table ... #differential #
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
, drug reactions ... ischemia • Skin: Erythematous ... tract, and often causes ... inflammation Hypersensitivity ... #Diagnosis #Rheumatology