13 results
Causes of Hypocomplementemia - CHAMPS Mnemonic
C - Cryoglobulinemia (85%), C3 glomerulopathy, cirrhosis
H - Heavy Chain deposition
Causes of Hypocomplementemia ... @AnnKumfer #Hypocomplementemia ... #Low #Complement ... #differential #hematology
EULAR/ACR Classification Criteria for Systemic Lupus Erythematosus
Clinical Domains:
 • Constitutional domain: Fever
 • Cutaneous domain: Non-scarring
EULAR/ACR Classification ... pericarditis • Hematologic ... anticoagulant • Complement ... #EULARACR #Classification ... #Criteria #SLE
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
in >90% - Low ... complement - Rare ... complement - 50 ... #comparison #table ... #rheumatology #
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
pathophysiologic causes ... staining): • Low ... Complement: Post-strep ... differential #diagnosis #algorithm ... #rheumatology
Systemic Lupus Erythematosus (SLE) - Diagnosis and Management Summary
 • Epidemiology: 10-180/100,000, Typically Age 20-40, F:M
Erythematosus (SLE ... Positive in 60-80% of cases ... 60-80% - Low ... complement - 50 ... Management #Summary #rheumatology
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
Causes of Anemia ... Differential Diagnosis Algorithm ... Low Mean Corpuscular ... #Anemia #MCV #Classification ... #Causes #Hematology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
anti-Smith Ab, low ... complements and ... Skin Disease Classification ... , lymphopenia, low ... RNP antibodies, Complement
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
• They can cause ... Cryoglobulins Cause ... factor level • Low ... serum C4 complement ... diagnosis #types #classification
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tract, and often causes ... against MPO • Complement ... (Low levels mixed ... vasculitis, and SLE ... #classification
Polycythemia - Differential Diagnosis Algorithm
Polycythemia itself isn’t a diagnosis. Like many things, it is a condition
Differential Diagnosis Algorithm ... an underlying cause ... Better call hematology ... some time, let’s see ... levels: realllly low