8 results
EULAR/ACR Classification Criteria for Systemic Lupus Erythematosus
Clinical Domains:
 • Constitutional domain: Fever
 • Cutaneous domain: Non-scarring
EULAR/ACR Classification ... Criteria for Systemic ... Constitutional domain: Fever ... anticoagulant • Complement ... Criteria #SLE #Systemic
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
Anaphylaxis, Hay fever ... Antigen-antibody complex ... they activate complement ... glomerulonephritis, Systemic ... allergy #table #classification
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tracts Immune Complex ... Coronary arteries - Fever ... Vasculitis: • Fevers ... against MPO • Complement ... #classification
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
- Local and systemic ... , seasonal hay fever ... Antigen-antibody complexes ... Complement activation ... Hypersensitivity #Types #Classification
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis: • Fevers ... and branches • Fever ... pauci-immune GN Immune Complex ... Elevated AST ALT • Hypocomplementemia ... Vasculitis) • Hypocomplementemic
SLE (Systemic Lupus Erythematosus)

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

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
activate the immune system ... deposit of immune complexes ... • Low serum C4 complement ... diagnosis #types #classification ... #rheumatology #
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Differential Diagnosis Algorithm ... Red Flags: • Fever ... deficiency Work ... Up: • Complete ... #Causes #dermatology