12 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 ... #differential #hematology
Systemic Lupus Erythematosus (SLE) - Diagnosis and Management Summary
 • Epidemiology: 10-180/100,000, Typically Age 20-40, F:M
Systemic Lupus Erythematosus ... Positive in 60-80% of cases ... 80% - Low complement ... #lupus #Systemic ... Management #Summary #rheumatology
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
90% - Low complement ... Discontinuation of causal ... months to years) Systemic ... 80% - Low complement ... comparison #table #rheumatology
CNS Manifestations of Systemic Lupus Erythematosus (SLE)

Clinical Manifestations: Demyelinating Syndrome, Headache, Movement disorders, Seizure disorders, Aseptic
Manifestations of Systemic ... Erythematosus (SLE ... autoantibodies that will cause ... prevention (statin for CVA ... Erythematosus #SLE
Nail Disorders secondary to Systemic Diseases
Nail Fold Abnormality
 • SLE
 • Scleroderma
 • Dermatomyositis
Koilonychia - Spoon-shaped
Disorders secondary to Systemic ... Abnormality • SLE ... #Secondary #dermatology ... Differential #Diagnosis #Algorithm ... #causes
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tract, and often causes ... often involved • Hypocomplementemic ... Urticaria and hypocomplementemia ... against MPO • Complement ... vasculitis, and SLE
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 ... erythematosus (SLE
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
diseases, such as SLE ... tract, and often causes ... Elevated AST ALT • Hypocomplementemia ... Vasculitis) • Hypocomplementemic ... Differential #Diagnosis #Rheumatology
Polycythemia - Differential Diagnosis Algorithm
Polycythemia itself isn’t a diagnosis. Like many things, it is a condition
Differential Diagnosis Algorithm ... an underlying cause ... frequently affected systems ... heme (bleeding), CV ... Better call hematology
Sjogren's Syndrome Overview

Epidemiology:
• F > M: 9:1
• 5-6th Decades (can be any age)

Autoimmune exocrinopathy multisystemic disease
overlaps with RA, SLE ... Cytopenia: 2% • Hypocomplementemia ... • Can cause TYPE ... Central nervous system ... Nephrogenic DI Hematologic