18 results
Effect of Selected Diseases on Complement Levels - C3, C4
 • SLE C3 ↓ C4 ↓↓
Levels - C3, C4 ... • SLE C3 ↓ C4 ... ↓↓ • MCGN type ... C3 ↓ C4 ↓↓ • Cryo ... #Levels #C3 #C4
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
- Local and systemic ... antigen, leading to complement ... Complement activation ... arthritis, and systemic ... Diagnosis #Reactions #Table
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
activate the immune system ... diseases: - 10% SLE ... rheumatoid factor level ... • Low serum C4 complement ... erythematosus (SLE
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
Summary table of ... antigens, leading to complement ... they activate complement ... glomerulonephritis, Systemic ... #allergy #table
SLICC SLE Diagnostic Criteria - Systemic Lupus Erythematosus
Clinical and Immunologic Criteria

CLINICAL CRITERIA
 - ACUTE CUTANEOUS LUPUS
SLICC SLE Diagnostic ... Criteria - Systemic ... CRITERIA - ANA level ... anticoagulant - Low complement ... #Rheumatology #SLE
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
Induced Lupus vs SLE ... 90% - Low complement ... months to years) Systemic ... 80% - Low complement ... #comparison #table
Causes of ileitis beyond Crohn’s disease and infections include systemic disorders -spondyloarthropathies, vasculitides, ischemia, and amyloidosis
infections include systemic ... See below for table ... helpful paper complements ... #Differential #Table
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
affected joint • Systemic ... erythematosus (SLE ... 30% and 60% of SLE ... Tests for All Types ... patients with SLE
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 ... Kikuchi disease • Type-I ... RNP antibodies, Complement ... levels (C3 and
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
Pain reported at level ... Behcet disease - SLE ... , Scleroderma, Systemic ... (1-5 levels below ... differential #algorithm