11 results
Arthrocentesis - Joint Fluid Analysis

Effusion Characteristics (Color, Clarity, WCC, PMN, Crystals, Bacteria) by Disease Process: 
OA,
Fluid Analysis ... birefringent crystals), Gout ... Septic arthritis #Diagnosis ... #Differential # ... Analysis #Table #Aspiration
Inflammatory Joint Pain - Differential Diagnosis Algorithm 
Monoarticular
 • Gout (Podagra, Tophi)
 • Pseudogout
 • Early
Pain - Differential ... Diagnosis Algorithm ... Monoarticular ... , Tophi) • Pseudogout ... Inflammatory #JointPain #MSK
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
Pain - Diagnostic ... Involved: Monoarticular ... #Joint #Pain #MSK ... approach #workup #differential ... #diagnosis #arthritis
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
- Differential Diagnosis ... Crystalline - Gout ... Crystals - “Pseudogout ... #Disorders #msk ... monoarthritis #monoarticular
Arthrocentesis of synovial fluid - Interpretation
 - Normal
 - Noninflammatory	
 - Inflammatory	
 - Septic

Viscosity of synovial
does not rule out ... #Differential # ... Arthrocentesis #Joint ... Analysis #Table #Aspiration ... #Pseudogout #Septic
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Pain - Arthritis Differential ... Diagnosis Framework ... 2000 in synovial fluid ... #Diagnosis #MSK ... #rheumatology #Monoarticular
MTP Gout Effusion on POCUS
50s male with DM/HTN (no hx gout) and great toe pain-MTP joint.
POCUS revealed joint ... Ankle block with ... In-plane aspiration ... MSU crystals=Gout ... #ultrasound #MSK
Knee Effusions - Arthrocentesis Interpretation

Inflammatory arthritis:
 • Color: Yellow-> Green
 • Clarity: Opaque
 • Viscosity: Low
analysis: • MSU ... : Gout • CPPD: ... Pseudogout Additional ... Interpretation #diagnosis ... #septic #joint
CPPD vs Gout

== CPPD == 

Think About CPPD When:
 • Self-limited synovitis after surgery/trauma (> 65
Crystal Arthritis: Monarticular ... Hypomagnesemia Synovial Fluid ... culture used to diagnose ... include forefoot, ankles ... : Synovial Fluid
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Leg Pain - Differential ... Diagnosis Framework ... Arthritis • Gout ... /pseudogout • ... #extremity #msk