28 results
Causes of Hypocomplementemia - CHAMPS Mnemonic
C - Cryoglobulinemia (85%), C3 glomerulopathy, cirrhosis
H - Heavy Chain deposition
Causes of Hypocomplementemia ... S - Systemic Lupus ... @AnnKumfer #Hypocomplementemia ... #Low #Complement
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
in >90% - Low ... complement - Rare ... Discontinuation of causal ... 60-80% - Low ... complement - 50
Systemic Lupus Erythematosus (SLE) - Diagnosis and Management Summary
 • Epidemiology: 10-180/100,000, Typically Age 20-40, F:M
Systemic Lupus Erythematosus ... , oral ulcers, Lupus ... Positive in 60-80% of cases ... 60-80% - Low ... complement - 50
EULAR/ACR Classification Criteria for Systemic Lupus Erythematosus
Clinical Domains:
 • Constitutional domain: Fever
 • Cutaneous domain: Non-scarring
anticoagulant • Complement ... proteins domain: Low ... C3 or low C4, Low ... C3 and low C4 ... Classification #Criteria #SLE
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 ... GN, Lupus Nephritis ... differential #diagnosis #algorithm
SLICC SLE Diagnostic Criteria - Systemic Lupus Erythematosus
Clinical and Immunologic Criteria

CLINICAL CRITERIA
 - ACUTE CUTANEOUS LUPUS
SLICC SLE Diagnostic ... Criteria - Systemic Lupus ... anticoagulant - Low ... complement (C3, ... #Rheumatology #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 and ... pneumonitis • Diffuse ... , lymphopenia, low
Lupus Nephritis Primer
Class I - Minimal Mesangial
Class II - Mesangial Proliferative
Class Ill - Focal Proliferative
Class IV
Lupus Nephritis ... Proliferative Class IV - Diffuse ... DrFlashHeart #Lupus ... #Nephritis #SLE ... Classification #Classes
Pulmonary Renal Syndromes and Mimics - Differential Diagnosis Framework
Diffuse alveolar hemorrhage + rapidly progressive glomerulonephritis
90%:
 -
Diagnosis Framework Diffuse ... anti-GBM) 10%: - Low ... Complement Levels ... : SLE, Cryoglobulinemic ... Vasculitis - Normal Complement
Causes of Diffuse Lymphadenopathy - Differential Diagnosis Algorithm
Reactive:
 - Systemic Inflammatory
     •
Causes of Diffuse ... Differential Diagnosis Algorithm ... • Systemic Lupus ... Hodgkin's Lymphoma #Diffuse ... #Causes #Hematology