Two blood culture sets were collected from an adult. One bottle in one set grows a common skin commensal, whil…

Question

Two blood culture sets were collected from an adult. One bottle in one set grows a common skin commensal, while all bottles in the second set remain negative and the clinical picture does not support bacteremia. What is the best laboratory interpretation?

Accepted Answer

보기 2: Possible collection contamination that should be assessed with the clinical context and contamination-monitoring criteria

Growth of a common skin commensal in only one of multiple sets often represents contamination, especially when the clinical picture is discordant. The result still requires clinical correlation and application of the laboratory's defined contamination criteria.

Answer

보기 1: Definite polymicrobial bacteremia

Answer

보기 3: A false-negative Gram stain caused by excessive blood volume

Answer

보기 4: Proof that the second set was collected after antibiotics

성장을 멈추지 마세요

Two blood culture sets were collected from an adult. One bottle in one set grows a common skin commensal, while all bottles in the second set remain negative and the clinical picture does not support bacteremia. What is the best laboratory interpretation?

마이메르시로 국가고시 완벽 대비