Synovial Fluid/Serous Fluid Flashcards
ULTRAFILTRATE of plasma in synovial membrane
Synovial Fluid
Substance secreted by synoviocytes to lubricate joints and increased viscosity
Hyaluronic Acid
Method of Collection:
Volume of Collection:
Arthrocentesis
25 mL
Collection Tubes & Handling
Tube > Section/Test > Anticoagulant
Tube 1: _____________, ___________
Tube 2: _____________, ___________
Tube 3: _____________, ___________
Tube 4: _____________, ___________
Collection Tubes & Handling
Tube > Section/Test > Anticoagulant
Tube 1: Microbio(GS/C) - Heparinized Tube
Tube 2: Cell Count - EDTA/Heparinized Tube
Tube 3: Chem/Sero/Other Test - Plain Tube
Tube 4: Glucose - Na Flouride
____________ should not be used as they cause interference in crystal ID
Powdered Anticoagulant
Color and Clarity
Normal: Inflammation: Bacterial infection: Traumatic tap: hemorrhagic arthritis WBCs, fibrin: Presence of crystals:
Color and Clarity
Normal: Colorless - Pale Yellow Inflammation: Deep Yellow Bacterial infection: Greenish tinge Traumatic tap: Red Hemorrhagic arthritis: Red WBCs, fibrin: Turbid Presence of crystals: Milky
Color - Pale Yellow
Normal
Color - Deep Yellow
Inflammation
Color - Presence of crystals
Milky
Color - Bacterial infection
Greenish Tinge
Normal Values of Synovial Fluid
Volume Color Clarity Viscosity via String test WBC Count (Neutrophils) Crystals Glucose (vs plasma) Total Protein
Normal Values of Synovial Fluid
Volume: <3.5 ml Color: Colorless - Pale Yellow Clarity: Clear Viscosity via String test: 4-6 WBC Count (Neutrophils): < 25% Crystals: Neg (-) Glucose (vs plasma): <10 mg/dL Total Protein: < 3g/dL
6 strings is considered ___________
Normal
WBC Count of PMNs
<25%
Normal fluid ______________
DO NOT CLOT
Volume of >25 mL indicates for __________
INFLAMMATION