11 results
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
Joint Disorders ... secondary) • Rheumatoid ... Erythematosus (SLE ... should have other symptoms ... #Disorders #msk
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
Using fluorescence microscopy ... context of other symptoms ... • Rheumatic Diseases ... : Lupus (SLE), Systemic ... ANA #patterns #rheumatology
Extra-articular and Other Conditions Associated with Joint Pain

Eyes
  • Iritis or uveitis - Spondyloarthropathies, Sarcoidosis,
Associated with Joint ... Neurologic system ... Vasculitis (e.g. ... Genitourinary system ... differential #diagnosis #rheumatology
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
Lupus (SLE) General ... Butterfly rash, Vasculitis ... pain (20%) Renal disease ... #signs #symptoms ... #diagnosis #rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
vesicular eruption - Joints ... rheumatic diseases ... Symptoms (Sx) in ... , and SLE) • Urinalysis ... differential #diagnosis #rheumatology
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
activate the immune system ... • Autoimmune diseases ... : - 10% SLE or ... - GPA, EGPA, microscopic ... classification #rheumatology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
rheumatic diseases ... , such as SLE, atherosclerotic ... Symptoms (SX) in ... (PR3-ANCA)): Microscopic ... Differential #Diagnosis #Rheumatology
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
constitutional symptoms ... arthritis • SLE ... Symmetrical: • RA • SLE ... Differential #Diagnosis #MSK ... #rheumatology #
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
SLE (Systemic Lupus ... , rheumatoid arthritis ... Arthritis: • Joint ... arthropathy • 90% joints ... Induced Lupus: • Symptoms
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... polarized light microscopy ... • Systemic lupus ... #Disease #Rheumatoid ... diagnosis #testing #Rheumatology