6 results
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Urticaria and hypocomplementemia ... inflammation Others: • Lupus ... lupus erythematosus ... against MPO • Complement ... #rheumatology #classification
Causes of Diffuse Lymphadenopathy - Differential Diagnosis Algorithm
Reactive:
 - Systemic Inflammatory
     •
Causes of Diffuse ... Differential Diagnosis Algorithm ... Reactive: - Systemic ... Lupus Erythematosus ... • Acne • Allergy
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
- Local and systemic ... Complement activation ... arthritis, and systemic ... lupus erythematosus ... Hypersensitivity #Types #Classification
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
they activate complement ... glomerulonephritis, Systemic ... lupus erythematosus ... reactions #types #allergy ... #table #classification
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
SLE (Systemic Lupus ... anti-Smith Ab, low complements ... Skin Disease Classification ... pneumonitis • Diffuse ... enteropathy, and diffuse
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
activate the immune system ... • Low serum C4 complement ... disorder (e.g. systemic ... lupus erythematosus ... diagnosis #types #classification