5 results
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
Positive ANAAutoimmune ... • +ANA can be seen ... context of other symptoms ... : Lupus (SLE), Systemic ... #rheumatology #diagnosis
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
SLE (Systemic Lupus ... and fever) and laboratory ... • Anti-Ro/SSA autoantibodies ... rheumatologic diseases ... : • Symptoms limited
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
months) and of autoantibodies ... months to years) Systemic ... Evolution: Chronic disease ... sle #comparison #table ... #rheumatology #
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-SSc-AlM overlap syndromes ... #Systemic #lupus ... #table #ANA
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... affected joint • Systemic ... lupus erythematosus ... double-stranded DNA antibodies ... ACE level, CXR, ANCA