1405 results
Suprapatellar synovial fluid collection on POCUS
Physical exam is nice, adding POCUS dynamic visualization is better.

Dr. Stephen
Suprapatellar synovial ... fluid collection ... Suprapatellar #synovial ... #fluid #effusion ... clinical #ultrasound #MSK
Distinguishing between Inflammatory and Degenerative joint disease
Inflammatory Joint Disease
 • Swelling stimulates joint nociceptors -> Pain
• Overnight fluid ... accumulation in the synovial ... triggers a mild synovial ... into the synovial ... Comparison #Versus #MSK
Hydroxyapatite Deposition Disease (HADD) - MSK Radiology
Imaging Findings:
 • Ovoid hypointense structures along the bursal surface
Disease (HADD) - MSK ... • Fluid-like signal ... deposition in the synovial ... fluid ... Radiology #diagnosis #msk
Intraarticular Chondroma - MSK Radiology
Imaging Findings:
 • Subtle soft-tissue infrapatellar mass seen obscuring Hoffa's fat pad.
Intraarticular Chondroma - MSK ... high-signal on fluid ... • Synovial sarcoma ... Radiology #diagnosis #msk
Arthrocentesis of synovial fluid - Interpretation
 - Normal
 - Noninflammatory	
 - Inflammatory	
 - Septic

Viscosity of synovial
Arthrocentesis of synovial ... fluid - Interpretation ... Viscosity of synovial ... fluid may actually ... #Fluid #Effusion
Synovial Fluid Analysis:

Findings (COLOR	TRANSPARENCY	VISCOSITY	WBC COUNT (PER MM3)	PMN CELL COUNT (%)	GRAM STAIN	CULTURE	PCR TEST	CRYSTALS)

By Condition (Normal 
Noninflammatory 
Inflammatory:
Synovial Fluid Analysis ... Arthrocentesis #Joint #Syonvial ... #Fluid #Effusion
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
and WBC >2000 in synovial ... fluid • What ... Differential #Diagnosis #MSK
Arthrocentesis - Synovial Fluid Analysis
Normal < 150 WBC, Colorless/Straw color, High Viscosity
Noninflammatory < 3,000 WBC, Straw/yellow
Arthrocentesis - Synovial ... Fluid Analysis ... Arthrocentesis #Synovial ... #Fluid #Analysis
Knee Effusions - Arthrocentesis Interpretation

Inflammatory arthritis:
 • Color: Yellow-> Green
 • Clarity: Opaque
 • Viscosity: Low
analysis: • MSU ... amplification of blood/synovial ... fluid • TB: Synovial ... and culture or synovial ... septic #joint #fluid
Fluid Analysis 
A systematic approach to analysis of the fluid in conjunction with the clinical presentation
Fluid Analysis ... analysis of the fluid ... #csf #pleural #synovial