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Mark Fisher, MD
University of Southern California School of Medicine Los Angeles

JAMA. 1985;253(1):39.

	Since this article does not have an abstract, we have provided the first 150 words of the full text PDF and any section headings.

To the Editor.—

I have recently observed a particularly effective way to evaluate CSF visually for the presence of xanthochromia. The usual procedure consists of centrifugation of bloody CSF, followed by placing the container of fluid next to a white object (usually a lab coat) or holding it up to a light source. The supernatant is then inspected for xanthochromia, sometimes compared with water in a similar container. I have found that a more effective approach is holding the CSF container next to an x-ray view box. Thus, an easily accessible, brightened white background makes xanthochromia easier to spot. I have found this to be more effective than the traditional techniques for identifying faint xanthochromia. . . . [Full Text PDF of this Article]

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