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4. Payton, PBD testing for alcohol misuse, 24Apr13

4. Payton, PBD testing for alcohol misuse, 24Apr13

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MCV<br />

• toxic effect on the bone marrow<br />

• 35-40% patients<br />

• a low sensitivity<br />

• other common causes of a high MCV<br />

• co-exist in <strong>alcohol</strong> <strong>misuse</strong>.<br />

• high MCV is 90-95% specific<br />

• falls when drinking stops - Slowly

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