12 results
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
Lupus - with Systemic ... Lupus Erythematosus ... (SLE), should have ... #Disorders #msk ... monoarthritis #monoarticular
Inflammatory Joint Pain - Differential Diagnosis Algorithm 
Monoarticular
 • Gout (Podagra, Tophi)
 • Pseudogout
 • Early
Pain - Differential ... Diagnosis Algorithm Monoarticular ... • Systemic Lupus ... MPA) Insidious Monoarticular ... Inflammatory #JointPain #MSK
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
Lupus (SLE) General ... of hip (rare), Arthritis ... lesions Abdominal pain ... #SLE #systemic ... erythematosus #signs
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
Antinuclear Antibodies ... assay (IFA) is the main ... (SLE), Systemic ... (SLE), Systemic ... ANA #patterns #rheumatology
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
spondyloarthropathies, lupus ... Involved: Monoarticular ... Chronic = RA, SLE ... #Joint #Pain #MSK ... #rheumatology #
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Pain - Arthritis ... noninflammatory Signs ... Joint #pain #Differential ... #Diagnosis #MSK ... Monoarticular #Monoarthritis
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
SLE (Systemic Lupus ... Non-autoimmune rheumatologic ... : • Joint pain ... arthropathy • 90% joints ... #Systemic #Lupus
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
diseases, such as SLE ... purpura: Strong sign ... vesicular eruption • Joints ... Palpable purpura, joint ... Differential #Diagnosis #Rheumatology
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Fever/Chills/Joint ... pain/Night sweats ... Infection - Systemic ... - SLE - Behcet ... differential #diagnosis #msk
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... • Systemic lupus ... ) - Antinuclear ... , and low back pain ... diagnosis #testing #Rheumatology