26 results
Systemic Lupus Erythematosus (SLE) - Diagnosis and Management Summary
 • Epidemiology: 10-180/100,000, Typically Age 20-40, F:M
Management Summary ... Manifestations: Malar ... Workup: - ANA ... Diagnosis #Management #Summary ... #rheumatology
I’M DAMN SHARP - Lupus Diagnosis Mnemonic
I  	 Immunoglobulins (Anti-dsDNA, Anti-Sm, Anti-phospholipid)
M 	 Malar Rash
D
M DAMN SHARP - Lupus ... Anti-phospholipid) M Malar ... Antinuclear Antibody (ANA ... sle #systemic #lupus ... erythematosus #rheumatology
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
Drug Induced Lupus ... & NPSLE rare, Malar ... Manifestations: Malar ... #sle #comparison ... #table #rheumatology
Systemic Lupus Erythematosus - Summary
Antinuclear (ANA) - 95% - Initial screening test
Anti-dsDNA - 50%
 • Associated
Systemic Lupus Erythematosus ... - Summary Antinuclear ... (ANA) - 95% - Initial ... #Systemic #Lupus ... #diagnosis #rheumatology
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
Systemic Lupus Erythematosus ... Arthritis 69% - Malar ... Auto-Antibodies: - ANA ... Differential Diagnosis and ... #differential #rheumatology
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
should be interpreted ... , Drug-induced Lupus ... Speckled: Systemic lupus ... , Drug-Induced Lupus ... #patterns #rheumatology
Myositis and Myopathies
Polymyositis 
 • Progressive, symmetric muscle weakness 
 • Elevated CK, +Anti-Jo, +Anti-Mi2
Dermatomyositis
Anti-retrovirals, Gemcitabine Lupus ... joint aches • +ANA ... uncommon 5-15% of lupus ... differential #diagnosis #comparison ... #rheumatology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
usually IgG) (e.g. lupus ... • Infections: Malaria ... disease, Copper and ... differential #diagnosis #hematology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
findings (ANA, ... Non-autoimmune rheumatologic ... Photosensitivity • Malar ... antibodies • (-) ANA ... Erythematosus #Diagnosis #Rheumatology
Features That Differentiate Acute Pericarditis from Myocardial Ischemia or Infarction and Pulmonary Embolism

In contrast to the
or Infarction and ... associated with rheumatologic ... presentation of systemic lupus ... trapezius ridges or shoulders ... #Presentation #comparison