SYNOVIAL FLUID ANALYSIS CLASSES Flashcards
1
Q
name this class?
clear/yellow color transparent clarity high viscosity firm mucin clot WBC < 2000 differential < 25% PMNS negative culture
A
class I (non inflammatory)
2
Q
examples of class I?
A
OA
traumatic arthritis
osteonecrosis
3
Q
name this class?
yellow/white color transparent/opaque clarity variable viscosity variable mucin clot WBC count 2000-100,000 differential >50% PMNs negative culture
A
class II (inflammatory)
4
Q
examples of class II?
A
RA SLE poly/dermatmyositis scleroderma calcium pyrophosphate seronegative arthropathies
5
Q
name this class?
yellow/white color opaque clarity low viscosity friable mucin clot WBC count >100,000 differential >95% PMNs positive culture
A
class III (septic)
6
Q
examples of class III?
A
bacterial arthritis
7
Q
name this class?
red color
opaque clarity
viscosity, mucin clot, WBC count, differential N/A
variable culture
A
class IV (hemorrhage)
8
Q
examples of class IV?
A
trauma pigmented villonodular synovitis tumor coagulopathy charcots arthropathy
