11 results
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
SLE (Systemic Lupus ... Suspect: Clinical ... permanent alopecia Differential ... Diagnosis: • ANCA-associated ... #Diagnosis #Rheumatology
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
Joint Disorders - Differential ... Diagnosis Algorithm ... Erythematosus ( ... SLE), should have ... Joint #Disorders #msk
Antinuclear antibodies and Systemic lupus
Anti-dsDNA	60-80%	Association with disease activity (when with Farr assay) and lupus nephritis. Can
Antinuclear antibodies ... 40% Target: SS-A/Ro ... is clinically suspected ... #erythematosus ... #diagnosis #rheumatology
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
Antinuclear Antibodies ... likely it will be clinically ... erythematosus ( ... #rheumatology #diagnosis ... #differential
EULAR/ACR Classification Criteria for Systemic Lupus Erythematosus
Clinical Domains:
 • Constitutional domain: Fever
 • Cutaneous domain: Non-scarring
Clinical Domains ... least 2 joints • Neurologic ... Highly specific antibodies ... Classification #Criteria #SLE ... #diagnosis #rheumatology
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
rheumatoid arthritis, SLE ... life-threatening Differential ... myasthenia Diagnosis ... immunologic assay - MuSK ... #management #neurology
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... joint • Systemic lupus ... erythematosus ( ... double-stranded DNA antibodies ... ANA and RF (if clinical
Sjogren's Syndrome Overview

Epidemiology:
• F > M: 9:1
• 5-6th Decades (can be any age)

Autoimmune exocrinopathy multisystemic disease
overlaps with RA, SLE ... : Anti-Ro/SSA & ... : • Anti-Ro/SSA ... salivary ducts Clinical ... phenomenon (16%) MSK
Approach to Joint Pain - Diagnostic Framework

1) Chronicity
2) Inflammatory vs Non-Inflammatory
3) Number of Joints Involved

1) Chronicity:
spondyloarthropathies, lupus ... Chronic = RA, SLE ... #Joint #Pain #MSK ... rheumatology #approach #workup ... #differential #
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
antimicrobials, clinical ... BCNIE Diagnostic ... See charts - ... for antinuclear antibodies ... #differential #