17 results
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
Lupus (DIL): ... Constitutional symptoms, Arthritis ... , SCLE-DIL (terbinafine ... Evolution: Chronic disease ... #table #rheumatology
Systemic Lupus Erythematosus (SLE) - Diagnosis and Management Summary
 • Epidemiology: 10-180/100,000, Typically Age 20-40, F:M
Manifestations: Malar ... versus DIL • ... • Immunologic Workup ... : - ANA > ... Evolution: Chronic disease
I’M DAMN SHARP - Lupus Diagnosis Mnemonic
I  	 Immunoglobulins (Anti-dsDNA, Anti-Sm, Anti-phospholipid)
M 	 Malar Rash
D
Anti-phospholipid) M Malar ... Antinuclear Antibody (ANA ... cytopenias) A Arthritis ... R Renal Disease ... #IMDAMNSHARP #sle
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
should be interpreted ... Juvenile Idiopathic Arthritis ... : Lupus (SLE), Systemic ... Juvenile Idiopathic Arthritis ... #patterns #rheumatology
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
Manifestations: - Arthritis ... 69% - Malar rash ... - Hemolytic anemia ... Auto-Antibodies: - ANA ... #differential #rheumatology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
SLE (Systemic Lupus ... findings (ANA, ... Non-autoimmune rheumatologic ... Photosensitivity • Malar ... lymphopenia, low PLT • Anemia
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... ): SS, SC, SE, Sβ ... thrombocytopenia - DIC ... suspected, consider malaria ... Diagnosis #Algorithm #workup
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Microangiopathic hemolytic anemia ... usually IgG) (e.g. lupus ... • Infections: Malaria ... , Copper and lead ... #anemia
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... joint • Systemic lupus ... RF test should ... the presence of anemia ... #laboratory #workup
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
-1 and IL-6, leading ... manifestations: from easy bruising ... erythematosus [SLE ... with leukopenia, anemia ... #Rheumatology