Arthrocentesis - Synovial Fluid Analysis
Normal < 150 WBC, Colorless/Straw color, High Viscosity
Noninflammatory < 3,000 WBC, Straw/yellow color, High Viscosity
Inflammatory > 3,000 WBC, Yellow color, Low Viscosity
Septic (purulent) > 50,000 WBC, Pus/mixed color, Mixed Viscosity
Hemorrhagic WBC similar to blood, Red color, Low Viscosity

UCSD Internal Medicine @ucsdim

#Arthrocentesis #Synovial #Fluid #Analysis #interpretation #diagnosis