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Liver Blood Tests (cont.)

Elevated Levels of AST and ALT

Elevated levels of liver enzymes in general signify some form of liver (or hepatic) damage or injury. These levels may be elevated acutely (short term) indicating sudden injury to the liver, or they may be elevated chronically (long term) suggesting ongoing liver injury.

In addition to the duration, the level of abnormal elevation of the aminotransferases is also significant. In some conditions the elevation could be mild, consistent with a mild injury or inflammation of the liver. They can also be severely elevated, possibly up to 10 to 20 times the normal values, suggesting more significant damage to the liver.

Medically Reviewed by a Doctor on 6/6/2014

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