Synovial Fluid Flashcards
Purpose of synovial fluid.
Provide lubricant and nutrients to the joint cavities.
What are the two types of synoviocytes?
Type A: Phagocytic
Type B: Hyaluronan
What causes synovial fluid to be viscous?
Hyaluronate.
Three tubes are often collected, what are those tubes for?
Tube 1: Red Top - Chemical/Immunologic Testing
Tube 2: Anticoagulant (sodium heparin; Liquid EDTA) - microscopic testing
Tube 3: Sterile anticoagulant or red top - microbial studies
What happens to a synovial sample with refrigeration?
(1) Can alter the viability of any microorganisms
(2) Erroneously introduces in vitro crystal precipitation
Group I synovial fluid is indicative of…
Noninflammatory conditions.
How do laboratory results differ from normal to Group I synovial fluid?
Volume: elevated
Color: Yellow
WBC Count: Increased
What common conditions are often associated with Group I Synovial fluid?
Osteoarthritis.
How do laboratory results differ from normal to Group I synovial fluid?
Volume: increased Color: Yellow-White Viscosity: Low WBC Count: increased Neutrophils: >50% Glucose:
