11 results
ANA Patterns and Associated Rheumatic Diseases:
 • Homogeneous: Systemic lupus erythematosus (SLE), Mixed connective tissue disease
disease (MCTD), Drug-induced ... Lupus, Juvenile ... #Antinuclear #Antibodies ... ANA #patterns #rheumatology ... #diagnosis #differential
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
- Diagnosis Manifestations ... Arthritis 69% - Malar ... SLE-Related Auto-Antibodies ... : Drug-induced lupus ... #differential #rheumatology
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
Drug Induced Lupus ... & NPSLE rare, Malar ... Lupusreference #druginduced ... #table #rheumatology ... #diagnosis #management
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
Antinuclear Antibodies ... Antibody refers to antibodies ... disease (MCTD), Drug-induced ... ANA #patterns #rheumatology ... #diagnosis #differential
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
Antineutrophil cytoplasmic antibodies ... ) • Systemic lupus ... Anti-histone (in drug-induced ... Antineutrophil #antibodies ... #diagnosis #rheumatology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Diagnostic Framework ... usually IgG) (e.g. lupus ... infection) - Drugs ... • Infections: Malaria ... #hematology #anemia
Antinuclear antibodies and Systemic lupus
Anti-dsDNA	60-80%	Association with disease activity (when with Farr assay) and lupus nephritis. Can
Antinuclear antibodies ... and Systemic lupus ... SLE (60-70%) & drug-induced ... erythematosus #diagnosis ... #rheumatology #
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
Differential Diagnosis ... Photosensitivity • Malar ... extremities Drug ... • Antihistone: Drug ... #Rheumatology
Drug Induced Systemic Lupus Erythematosus
> 100 drugs have been associated with drug-induced SLE
High risk (>5%):
 •
Lupus Erythematosus ... Lupusreference #DrugInduced ... SLE #Systemic #Lupus ... #differential #diagnosis ... #rheumatology
Drug Induced Lupus (DIL)
 • Epidemiology: -10% of all lupus cases, drug-dependent, 4:1 to 1:1 F:M
Drug Induced Lupus ... & NPSLE rare, Malar ... Lupusreference #DrugInduced ... #Lupus #DIL #rheumatology ... #diagnosis #treatment