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

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

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AST and ALT – The Aminotransferases<br />

• useful as markers of hepatic damage from<br />

<strong>alcohol</strong><br />

• much less sensitive than GGT<br />

• can be elevated <strong>for</strong> a wide variety of reasons<br />

• do not rise after a single episode<br />

• ALT often correlates with GGT<br />

• of limited value

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