47 results
Systemic Lupus Erythematosus - Summary
Antinuclear (ANA) - 95% - Initial screening test
Anti-dsDNA - 50%
 • Associated
Systemic Lupus Erythematosus ... Initial screening test ... Hydroxychloroquine *Short ... Summary #diagnosis #rheumatology ... #management
Causes of Hypocomplementemia - CHAMPS Mnemonic
C - Cryoglobulinemia (85%), C3 glomerulopathy, cirrhosis
H - Heavy Chain deposition
Causes of Hypocomplementemia ... antiphospholipid syndrome ... S - Systemic Lupus ... Mnemonic #diagnosis #differential ... #hematology
Hydroxychloroquine Serum Measurement in SLE
 • Terminal elimination half-life = 40 days ([HCQI reflects long-term intake)
if < 200ng/mL Best ... • Special cases ... Measurement #SLE #rheumatology ... pharmacology #levels #lupus ... #management
CNS Manifestations of Systemic Lupus Erythematosus (SLE)

Clinical Manifestations: Demyelinating Syndrome, Headache, Movement disorders, Seizure disorders, Aseptic
Erythematosus (SLE) Clinical ... Demyelinating Syndrome ... autoantibodies that will cause ... CNS #neurology #rheumatology ... cerebritis #diagnosis #management
Systemic Lupus Erythematosus (SLE) - Diagnosis and Management Summary
 • Epidemiology: 10-180/100,000, Typically Age 20-40, F:M
Systemic Lupus Erythematosus ... Diagnosis and Management ... 40, F:M 9:1 • Clinical ... Positive in 60-80% of cases ... #Summary #rheumatology
Aortitis - Differential Diagnosis Framework
Non-Infectious Aortitis:
 • Vasculitides: Giant Cell Arteritis (GCA), Takayasu's arteritis, Cogan's Syndrome,
Aortitis - Differential ... arteritis, Cogan's Syndrome ... (RA), Systemic lupus ... swinndong #Aortitis #Differential ... #Diagnosis #rheumatology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Extravascular Causes ... ) - HELLP syndrome ... usually IgG) (e.g. lupus ... #differential # ... diagnosis #hematology
Causes of Anemia with elevated Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Normal Blood Smear
 •
Causes of Anemia ... Volume (MCV) - Differential ... Myelodysplastic Syndromes ... Liver Function Tests ... #Hematology
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
to 1:1 F:M • Clinical ... Discontinuation of causal ... 40, F:M 9:1 • Clinical ... comparison #table #rheumatology ... #diagnosis #management
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
) Suspect: Clinical ... permanent alopecia Differential ... Non-autoimmune rheumatologic ... Clinical Features ... Erythematosus #Diagnosis #Rheumatology