Electronic Letters to:
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eLetters: Electronic letters published:
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CO screening
- E Walker (4 October 2005)
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E Walker, Associate Specialist
Send letter to journal:
ed.walker{at}midyorks.nhs.uk E Walker
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Dear Editor, This article highlights the difficulties encountered in screening for possible CO exposure. Venous blood has been shown in several studies to be as 'accurate' as arterial for assessing COHb levels, but even this can be difficult, especailly in large groups of children. There is a breath meter available (Bedfont Instruments 01634 375614) which gives a digital display of equivalent COHb levels after a single breath. It is used in a similar way to a 'breathalyser'. it is simple to use and calibrate, and easily accurate enough to screen out those who do not need more invasive investigation. It is also worth mentioning that COHb levels can be a very poor indicator of both degree of exposure, and likely outcome. |
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