29 results
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
Joint Disorders ... arthritis - (Reiter’s syndrome ... Erythematosus (SLE ... should have other symptoms ... #Disorders #msk
ANA Patterns and Associated Rheumatic Diseases:
 • Homogeneous: Systemic lupus erythematosus (SLE), Mixed connective tissue disease
), Sjogren's Syndrome ... @AnnKumfer #Antinuclear ... #Antibodies #ANA ... #patterns #rheumatology ... #diagnosis #differential
I’M DAMN SHARP - Lupus Diagnosis Mnemonic
I  	 Immunoglobulins (Anti-dsDNA, Anti-Sm, Anti-phospholipid)
M 	 Malar Rash
D
Discoid Rash A Antinuclear ... Antibody (ANA) ... Neurological Disorders ... #IMDAMNSHARP #sle ... erythematosus #rheumatology
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
Antinuclear Antibodies ... context of other symptoms ... Lymphoproliferative Disorders ... #patterns #rheumatology ... #diagnosis #differential
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 ... overlap syndromes ... erythematosus #diagnosis ... #rheumatology #
Systemic Lupus Erythematosus - Summary
Antinuclear (ANA) - 95% - Initial screening test
Anti-dsDNA - 50%
 • Associated
Systemic Lupus Erythematosus ... - Summary Antinuclear ... (ANA) - 95% - Initial ... #Summary #diagnosis ... #rheumatology #
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
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
SLE (Systemic Lupus ... Differential Diagnosis ... Arthritis: • Joint ... : • Symptoms limited ... #Rheumatology
CNS Manifestations of Systemic Lupus Erythematosus (SLE)

Clinical Manifestations: Demyelinating Syndrome, Headache, Movement disorders, Seizure disorders, Aseptic
Erythematosus (SLE ... Demyelinating Syndrome ... , Seizure disorders ... Erythematosus #SLE ... CNS #neurology #rheumatology
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
Constitutional symptoms ... • Immunologic Workup ... : - ANA > ... #table #rheumatology ... #diagnosis #management