10 results
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
Pain - Diagnostic ... ), RA, crystal disease ... #Joint #Pain #MSK ... #rheumatology # ... approach #workup
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
, erythema and WBC ... effusion with few WBCs ... - Autoimmune Rheumatologic ... #Diagnosis #MSK ... #rheumatology #
Knee Effusions - Arthrocentesis Interpretation

Inflammatory arthritis:
 • Color: Yellow-> Green
 • Clarity: Opaque
 • Viscosity: Low
RBC's Crystal analysis ... : • MSU: Gout ... membrane histo-anthology ... diagnosis #septic #joint ... #fluid #analysis
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
Disease: • Pain ... disease must be ... Enthesitis: • Site of pathology ... #Pain #MSK #rheumatology ... #approach #workup
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Arthritis • Gout ... Legg-Calve-Perthes disease ... - HIV - Lyme disease ... Pallor-bruising 3) Paralysis ... lower #extremity #msk
MTP Gout Effusion on POCUS
50s male with DM/HTN (no hx gout) and great toe pain-MTP joint.
and great toe pain-MTP ... without using ultrasound ... WBC-48K. ... MSU crystals=Gout ... #MSK #Toe
CPPD vs Gout

== CPPD == 

Think About CPPD When:
 • Self-limited synovitis after surgery/trauma (> 65
• Underlying disease ... onset of swelling, pain ... Synovial Fluid: • WBCs ... Fluid Testing: • WBCs ... #Comparison #rheumatology
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... synovial fluid • Gout ... urate crystals (gout ... , and low back pain ... Arthritis #laboratory #workup
Gout - Diagnosis and Management Summary

3 Conditions for Gout to Manifest:
1. Hyperuricemia
2. Monosodium urate deposition in
deposition in joints ... attacks • Other joints ... Fluid Testing: • WBCs ... not possible • Ultrasound ... management #treatment #rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
vesicular eruption - Joints ... Vessels: Supply gut ... , testes -> pain ... Lab Tests: • CBC ... differential #diagnosis #rheumatology