52 results
Effect of Selected Diseases on Complement Levels - C3, C4
 • SLE C3 ↓ C4 ↓↓
Selected Diseases on Complement ... Levels - C3, C4 • SLE ... C3 ↓ C4 ↓↓ • Cryo ... ThePeanutKidney #Complement ... Levels #C3 #C4 #differential
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
calcium-b) • Laboratory ... 90% - Low complement ... versus DIL • Laboratory ... 80% - Low complement ... management of SLE
Systemic Lupus Erythematosus (SLE) - Diagnosis and Management Summary
 • Epidemiology: 10-180/100,000, Typically Age 20-40, F:M
Erythematosus (SLE ... are evocative of SLE ... versus DIL • Laboratory ... 80% - Low complement ... management of SLE
SLICC SLE Diagnostic Criteria - Systemic Lupus Erythematosus
Clinical and Immunologic Criteria

CLINICAL CRITERIA
 - ACUTE CUTANEOUS LUPUS
SLICC SLE Diagnostic ... ANA level above laboratory ... antibody level above laboratory ... anticoagulant - Low complement ... #Rheumatology #SLE
Lab patterns seen in Inborn Errors of Metabolism

A table of lab values compiled from UpToDate and
See IEM schema for ... metabolicemergency-pathophysiology-differential-pediatrics-metabolism-algorithm-diagnosis ... Genetics #IEM #Laboratory
Laboratory Evaluation of Hypocalcemia #Diagnosis #EM #IM #Evaluation #Workup #Hypocalcemia #PTH #Differential #Algorithm #Ddxof
Laboratory Evaluation ... Hypocalcemia #PTH #Differential ... #Algorithm #Ddxof
Pulmonary Renal Syndromes and Mimics - Differential Diagnosis Framework
Diffuse alveolar hemorrhage + rapidly progressive glomerulonephritis
90%:
 -
Syndromes and Mimics - Differential ... anti-GBM) 10%: - Low Complement ... Levels: SLE, Cryoglobulinemic ... Vasculitis - Normal Complement ... Syndromes #Mimics #Differential
Approach to a Positive (+) Rheumatoid Factor (RF)
(+) RF does not always = RA
Rheumatic disorders:
 •
arthritis • SLE ... #rheumatology #laboratory ... #differential #
Lupus - Role of complement and anti-dsDNA for the detection of flares
Complement - ↓ Decreased
Anti-dsDNA -
Lupus - Role of complement ... detection of flares Complement ... Increased #Lupus #SLE ... #flares #laboratory ... biomarkers #antidsdna #complement
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
staining): • Low Complement ... Idiopathic • Normal Complement ... Glomerulonephritis #Vasculitis #differential ... #diagnosis #algorithm