12 results
Causes of Hypocomplementemia - CHAMPS Mnemonic
C - Cryoglobulinemia (85%), C3 glomerulopathy, cirrhosis
H - Heavy Chain deposition
Causes of Hypocomplementemia ... 1 (50%-80%), type ... S - Systemic Lupus ... Erythematosus ( ... #Low #Complement
Renal Involvement in Systemic Lupus Erythematosus

Dr. Laurent ARNAUD @Lupusreference

#Renal #diseases #SLE #Systemic #Lupus #Erythematosus #venn #nephrology
Erythematosus ... Renal #diseases #SLE ... #Erythematosus ... nephrology #nephritis #classification ... #types #rheumatology
EULAR/ACR Classification Criteria for Systemic Lupus Erythematosus
Clinical Domains:
 • Constitutional domain: Fever
 • Cutaneous domain: Non-scarring
EULAR/ACR Classification ... Erythematosus ... anticoagulant • Complement ... #Criteria #SLE ... #Erythematosus
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
Complement activation ... , and systemic lupus ... erythematosus ... #Classification ... Diagnosis #Reactions #Table
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 ... Kikuchi disease • Type-I ... RNP antibodies, Complement
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
Summary table of ... glomerulonephritis, Systemic lupus ... erythematosus Type ... #allergy #table ... #classification
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
vs SLE Drug Induced ... 90% - Low complement ... Erythematosus ( ... 80% - Low complement ... #table #rheumatology
Cutaneous Lupus Erythematosus
 • Acute Cutaneous Lupus (ACLE)
 • Neutrophilic Dermatoses 
 • Vascular Lesions
 •
Erythematosus ... (SCLE) • Intermittent ... #Erythematosus ... #diagnosis #types ... #rheumatology #classification
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
• Low serum C4 complement ... (e.g. systemic lupus ... erythematosus ( ... SLE), rheumatoid ... #classification
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
such as systemic lupus ... erythematosus, ... against MPO • Complement ... vasculitis, and SLE ... #rheumatology #classification