18 results
Approach to a Positive (+) Rheumatoid Factor (RF)
(+) RF does not always = RA
Rheumatic disorders:
 •
Approach to a Positive ... Rheumatoid #Factor #RF #rheumatology ... #laboratory #differential
SLICC SLE Diagnostic Criteria - Systemic Lupus Erythematosus
Clinical and Immunologic Criteria

CLINICAL CRITERIA
 - ACUTE CUTANEOUS LUPUS
SEROSITIS - RENAL - NEUROLOGIC ... ANA level above laboratory ... antibody level above laboratory ... determined by Positive ... #Diagnosis #Rheumatology
Systemic Lupus Erythematosus (SLE) - Diagnosis and Management Summary
 • Epidemiology: 10-180/100,000, Typically Age 20-40, F:M
versus DIL • Laboratory ... - Anti-ENA - Positive ... - Anti-dsDNA - Positive ... Anti-histone - Positive ... Management #Summary #rheumatology
Hepatitis B Virus Serology and Interpretation
HBsAg - Anti-HBs - Anti-HBc - HBeAg - Anti-HBe
 - Acute
Hepatitis B Virus Serology ... immunity) - False-positive ... HepatitisB #HBV #Serology ... Interpretation #diagnosis #laboratory
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
calcium-b) • Laboratory ... Anti-histone - Positive ... versus DIL • Laboratory ... - Anti-dsDNA - Positive ... comparison #table #rheumatology
Gastrointestinal Evaluation of Iron Deficiency Anemia
In patients with anemia, diagnose iron deficiency if:
 • Ferritin <
• Additional laboratory ... celiac disease with serology ... biopsy only if serology ... is positive Bidirectional
Rheumatoid Arthritis - 2020 ACR-EULAR Classification
≥ 6 of 10 points = definite RA
Joint Involvement:
Arthritis - 2020 ACR-EULAR ... joint) - 5 points Serology ... RF or low positive ... Arthritis #diagnosis #EULAR ... Classification #rheumatology
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
ulceration • Ocular ... skin injury) • Neurologic ... pathognomonic laboratory ... Skin lesions • Positive ... signs #symptoms #rheumatology
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... (ANA) test; if positive ... - Positive in ... more time for the laboratory ... Rheumatoid #Arthritis #laboratory
Adie’s Tonic Pupil on Physical Exam

A young female was referred in for a sudden onset anisocoria.
Her ocular exam ... control of the iris ... pilocarpine which if positive ... #physicalexam #neurology