37 results
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
- Septic Arthritis ... (1%) - Watch out ... : - Gout - Pseudo ... gout - Osteoarthritis ... #msk #physicalexam
Arthrocentesis - Joint Fluid Analysis

Effusion Characteristics (Color, Clarity, WCC, PMN, Crystals, Bacteria) by Disease Process: 
OA,
Fluid Analysis Effusion ... birefringent crystals), Gout ... TB arthritis, Septic ... arthritis #Diagnosis ... Syonvial #Fluid #Effusion
Gout (Gouty Arthritis) - MSK Radiology
Imaging Findings:
 • Eccentric soft-tissue densities surrounding the third proximal interphalangeal
Gout (Gouty Arthritis ... • This case should ... • Gout can present ... Gout is relatively ... DrvonBorstel #Gout
Posterior Shoulder Dislocation on POCUS

The team wasn't sure if shoulder had been reduced. Rather than send
Posterior Shoulder ... wasn't sure if shoulder ... Rather than send out ... POCUS #clinical #ultrasound ... #MSK #Anatomy
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
- Differential Diagnosis ... Monoarthritis • Septic ... Crystalline - Gout ... “Bamboo Spine” Fusion ... Erythematosus (SLE), should
Aspiration of MTP Gout Effusion

Good to the last drop. In-plane ultrasound guided aspiration to maximize fluid
Aspiration of MTP Gout ... In-plane ultrasound ... small. 1st MTP gout ... Aspiration #MTP #Gout ... #msk #toe
Arthrocentesis of synovial fluid - Interpretation
 - Normal
 - Noninflammatory	
 - Inflammatory	
 - Septic

Viscosity of synovial
does not rule out ... septic arthritis ... ; however, the diagnosis ... WBC < 50,000 #Diagnosis ... Syonvial #Fluid #Effusion
Knee Effusions - Arthrocentesis Interpretation

Inflammatory arthritis:
 • Color: Yellow-> Green
 • Clarity: Opaque
 • Viscosity: Low
Knee Effusions - ... analysis: • MSU ... : Gout • CPPD: ... Interpretation #diagnosis ... #septic #joint
MTP Gout Effusion on POCUS
50s male with DM/HTN (no hx gout) and great toe pain-MTP joint.
MTP Gout Effusion ... DM/HTN (no hx gout ... Just tx as gout? ... MSU crystals=Gout ... #MSK #Toe
CPPD vs Gout

== CPPD == 

Think About CPPD When:
 • Self-limited synovitis after surgery/trauma (> 65
CPPD vs Gout ... weird joints (shoulders ... disease states Pathophysiology ... Wrist, MCP, or shoulder ... Conditions for Gout