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ANSWER 8
(4) Cervical Culture
SALIENT POINTS:
For patients without suppurative arthritis, synovial fluid cultures are only positive in 20-30% of cases.
Blood cultures yield positive results in <30% of patients.
Culture yield is greatest from mucosal sites – cervical swabs are positive in 80-90% of women and urethral swabs are positive in 50-70% of men.
There are lower culture yields from rectal and oropharyngeal swabs, but may be positive so it is important to culture these sites.