Health Book Citation

An ast alt ratio higher than one where the ast is higher than alt is suggestive of cirrhosis. Aspartate aminotransferase ast is an enzyme found in cells throughout the body but mostly in the heart and liver and to a lesser extent in the kidneys and muscles.

Histopathologic And Biochemical Liver Test Abnormalities In Chronic Asymptomatic Or Oligosymptomatic Alcoholics A Review

Ast blood test high.

Ast lab value. The normal values range of the ast blood test in males is 10 to 40 units per liter of serum and in females it is 9 to 32 units per liter of serum. However a disease cannot be diagnosed by the pattern of elevation alone. However this range may vary depending on the type of technique and protocols used by the lab.

In healthy individuals levels of ast in the blood are low. Ast is different from alt because ast is found in parts of the body other than the liver including the heart kidneys muscles and brain. Ast is a protein made by liver cells.

In a research study of 15 laboratory tests it was shown that all acute viral hepatitis patients showed an ast level greater than 200 u l and an alt level greater than 300 u l which both are 25 times the upper limit of normal levels. However all the labs provide the reference normal range of values available on the report. Levels may reach values as high as 100 times the upper reference limit although 20 to 50 fold elevations are most frequently encountered.

When liver or muscle cells are injured they release ast into the blood. Ast is also called sgot serum glutamic oxaloacetic transaminase. The normal range of values for alt sgpt is about 7 to 56 units per liter of serum.

However the ranges of ast and alt numbers may differ slightly depending on the technique and protocols used by different laboratories worldwide. Values are typically at least 10 times above the normal range. Elevated aspartate aminotransferase ast values are seen in parenchymal liver diseases characterized by a destruction of hepatocytes.

Normally ast levels in your blood are low. When liver cells are damaged ast leaks out into the bloodstream and the level of ast in the blood becomes elevated. The normal range of values for ast sgot is about 5 to 40 units per liter of serum the liquid part of the blood.

An ast alt ratio higher than 2 1 where the ast is more than twice as high as the alt is suggestive of alcoholic liver disease. Hepatitis b hepatitis c alcoholic and nonalcoholic fatty liver hemochromatosis wilson s disease autoimmune hepatitis. When your liver is damaged it puts more ast into your blood and your levels rise.

Ast results outside of expected range and less than 5x expected range.

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