9 results
Arthrocentesis - Joint Fluid Analysis

Effusion Characteristics (Color, Clarity, WCC, PMN, Crystals, Bacteria) by Disease Process: 
OA,
Fluid Analysis Effusion ... birefringent crystals), Gout ... #Diagnosis #Differential ... Syonvial #Fluid #Effusion ... Analysis #Table #Aspiration
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
- Differential ... : - Gout - Pseudo ... gout - Osteoarthritis ... #causes #differential ... #diagnosis #msk
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
Joint Disorders - Differential ... Diagnosis Algorithm ... Crystalline - Gout ... “Bamboo Spine” Fusion ... Joint #Disorders #msk
Arthrocentesis of synovial fluid - Interpretation
 - Normal
 - Noninflammatory	
 - Inflammatory	
 - Septic

Viscosity of synovial
does not rule out ... septic arthritis ... 50,000 #Diagnosis #Differential ... Syonvial #Fluid #Effusion ... Analysis #Table #Aspiration
Aspiration of MTP Gout Effusion

Good to the last drop. In-plane ultrasound guided aspiration to maximize fluid
Aspiration of MTP ... Gout Effusion ... #MTP #Gout #Effusion ... #clinical #pocus ... #ultrasound #msk
Inflammatory Joint Pain - Differential Diagnosis Algorithm 
Monoarticular
 • Gout (Podagra, Tophi)
 • Pseudogout
 • Early
Diagnosis Algorithm ... Monoarticular • Gout ... -4 joints) • Gout ... Inflammatory #JointPain #MSK ... #Differential #
MTP Gout Effusion on POCUS
50s male with DM/HTN (no hx gout) and great toe pain-MTP joint.
MTP Gout Effusion ... or to guide aspiration ... In-plane aspiration ... MSU crystals=Gout ... #MSK #Toe
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Differential Diagnosis ... Crystal induced (Gout ... fever • Lyme • Gout ... Joint #pain #Differential ... #Diagnosis #MSK
Causes of Interstitial Lung Disease - Differential Diagnosis Algorithm
Idiopathic Interstitial Pneumonia
 • (UIP) Usual Interstitial Pneumonia
Lung Disease - Differential ... Diagnosis Algorithm ... fluid leaking out ... Disease - Rheumatoid Arthritis ... Amy Chung, MD, MSc