14 results
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Associated with Joint ... lesions • Discoid lupus ... #pain #skin #rashes ... #differential # ... diagnosis #rheumatology
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
assay (IFA) is the main ... erythematosus (SLE ... : Lupus (SLE), Systemic ... ANA #patterns #rheumatology ... #diagnosis #differential
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
lesions Abdominal pain ... (20%) Renal disease ... ) Blood (75%): Anemia ... erythematosus #signs ... symptoms #diagnosis #rheumatology
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
Approach to Joint ... Chronic = RA, SLE ... #Joint #Pain #MSK ... #rheumatology # ... #differential #
Extra-articular and Other Conditions Associated with Joint Pain

Eyes
  • Iritis or uveitis - Spondyloarthropathies, Sarcoidosis,
Pain Eyes ... Telangiectasia • Scleroderma ... Thickened skin • Scleroderma ... #pain #differential ... #diagnosis #rheumatology
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
- Hemolytic anemia ... involvement 3% SLE-Related ... Lupusreference #SLE ... autoantibodies #signs ... #rheumatology
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Approach to Joint ... Differential Diagnosis ... noninflammatory Signs ... arthritis • SLE ... #pain #Differential
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
SLE (Systemic Lupus ... permanent alopecia Differential ... Arthritis: • Joint ... pain • Swan neck ... lymphopenia, low PLT • Anemia
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... • Systemic lupus ... the presence of anemia ... , and low back pain ... diagnosis #testing #Rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
vesicular eruption - Joints ... such as systemic lupus ... purpura: strong sign ... vasculitis, and SLE ... #diagnosis #rheumatology