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

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

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GGT<br />

Gamma glutamyl transferase<br />

• an enzyme on cell membranes<br />

• rises in<br />

• <strong>alcohol</strong> <strong>misuse</strong><br />

• drugs<br />

• anticonvulsants,<br />

• anticoagulants,<br />

• oral contraceptives and<br />

• some antibiotics<br />

• GGT 85% specific but useful<br />

• no liver disease<br />

• not taking medication<br />

• other indicators of <strong>alcohol</strong> <strong>misuse</strong>

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