11 results
ANA Patterns and Associated Rheumatic Diseases:
 • Homogeneous: Systemic lupus erythematosus (SLE), Mixed connective tissue disease
SLE), Sjogren's Syndrome ... Kumfer @AnnKumfer #Antinuclear ... #Antibodies #ANA ... #patterns #rheumatology ... #diagnosis #differential
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
Antinuclear Antibodies ... microscopy and serial ... SLE), Sjogren's Syndrome ... #patterns #rheumatology ... #diagnosis #differential
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Platelet Disorders - Differential ... Diagnosis and Workup ... anti-phospholipid antibodies ... (CVID, WAS), (neurologic ... #hematology
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Petechial Rash - Differential ... deficiency Work ... blood test • Serology ... Measurement of antinuclear ... cytoplasmic antibodies
Antinuclear antibodies and Systemic lupus
Anti-dsDNA	60-80%	Association with disease activity (when with Farr assay) and lupus nephritis. Can
Antinuclear antibodies ... SLE-SSc-AlM overlap syndromes ... Lupusreference #Antinuclear ... erythematosus #diagnosis #rheumatology ... #table #ANA
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
requires special media ... - Assays for antinuclear ... antibodies, rheumatoid ... antiphospholipid syndrome ... Endocarditis #diagnosis #differential
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... erythematosus (SLE) - Antinuclear ... double-stranded DNA antibodies ... Arthritis #laboratory #workup ... diagnosis #testing #Rheumatology
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
Behçet's Syndrome ... skin injury) • Neurologic ... Medium and large ... Behcet disease) Differential ... signs #symptoms #rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Vasculitides - Differential ... + MPO-ANCA MEDIUM ... aortic aneurysm • Medium ... C-ANCA) pattern: antibodies ... #diagnosis #rheumatology
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
formed or don’t work ... Exposure to heavy metal ... Workup: • Complete ... blood count with differential ... #diagnosis #hematology