31 results
Causes of Hypocomplementemia - CHAMPS Mnemonic
C - Cryoglobulinemia (85%), C3 glomerulopathy, cirrhosis
H - Heavy Chain deposition
Causes of Hypocomplementemia ... glomerulonephritis (>90%) S - Systemic ... @AnnKumfer #Hypocomplementemia ... #Low #Complement
Systemic Lupus Erythematosus (SLE) - Diagnosis and Management Summary
 • Epidemiology: 10-180/100,000, Typically Age 20-40, F:M
Systemic Lupus Erythematosus ... (SLE) - Diagnosis ... Positive in 60-80% of cases ... 80% - Low complement ... #lupus #Systemic
Approach to Low Back Pain - Differential Algorithm
- Non-MSK
- Axial / Musculoskeletal
- Radicular
- Systemic Disease (Do
- Differential Algorithm ... - Non-MSK - Axial ... - Radicular - Systemic ... #Differential #Algorithm ... #Causes
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
Differential Diagnosis Algorithm ... Lupus - with Systemic ... Erythematosus (SLE ... Joint #Disorders #msk ... Differential #Diagnosis #Algorithm
Systemic Lupus Erythematosus (SLE): Musculoskeletal Manifestations

 • Immune Complex Deposition
    - Arthralgia, Arthritis
Systemic Lupus Erythematosus ... (SLE): Musculoskeletal ... Myopathy (Also caused ... Erythematosus #SLE ... #MSK #Musculoskeletal
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
Induced Lupus vs SLE ... 90% - Low complement ... Discontinuation of causal ... months to years) Systemic ... 80% - Low complement
EULAR/ACR Classification Criteria for Systemic Lupus Erythematosus
Clinical Domains:
 • Constitutional domain: Fever
 • Cutaneous domain: Non-scarring
EULAR/ACR Classification ... Criteria for Systemic ... anticoagulant • Complement ... #Criteria #SLE ... #Systemic #Lupus
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tract, and often causes ... Urticaria and hypocomplementemia ... against MPO • Complement ... vasculitis, and SLE ... #rheumatology #classification
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
activate the immune system ... • They can cause ... Cryoglobulins Cause ... • Low serum C4 complement ... diagnosis #types #classification
Causes of ileitis beyond Crohn’s disease and infections include systemic disorders -spondyloarthropathies, vasculitides, ischemia, and amyloidosis
Causes of ileitis ... infections include systemic ... See below for table ... helpful paper complements