Cerebrospinal fluid collected in three sequential tubes shows equal red cell counts in all three tubes, and th…

Question

Cerebrospinal fluid collected in three sequential tubes shows equal red cell counts in all three tubes, and the supernatant is xanthochromic. Which interpretation is most appropriate?

Accepted Answer

보기 3: Subarachnoid hemorrhage

With a traumatic tap the red cell count falls in successive tubes. An equal count in all three tubes indicates pre-existing hemorrhage, and xanthochromia shows that enough time has passed for hemoglobin to break down. Together the two findings indicate subarachnoid hemorrhage.

Answer

보기 1: Traumatic tap

Answer

보기 2: Normal finding

Answer

보기 4: Bacterial meningitis

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Cerebrospinal fluid collected in three sequential tubes shows equal red cell counts in all three tubes, and the supernatant is xanthochromic. Which interpretation is most appropriate?

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