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Liver and pancreatic enzymes explained | AST, ALT, GGT, ALP, Amylase& Lipase

What are the liver function tests (or LFTs)?
They are a group of blood tests that help you assess the liver function (hepatocytes).
In this medical lecture, we discuss alanine transaminase (ALT, formerly SGPT), aspartate transaminase (AST, formerly SGOT), alkaline phosphatase (ALP), and gamma-glutamyl transferase (GGT)…We also mention pancreatic enzymes such as amylase (less specific because there is also a salivary amylase) and lipase (more specific).

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31 thoughts on “Liver and pancreatic enzymes explained | AST, ALT, GGT, ALP, Amylase& Lipase

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  2. What if only Alt is moderately high and other enzymes are normal, what would be the diagnosis? My alt and ast were elevated for years, now my Alt now is 100. My symptoms have been fatigue, insomnia, thirst, nausea.

  3. Sir my ggt is 58 alt is 48.4 and ast is 31.4… sir please can you help me out to understand it… i mean have i any problem or not

  4. No fever, no vomitings, no yellow skin. Increase in UCB, CB but all others are normal in range then what? Actually serum amylase is normal then what is the problem?

  5. Dear sir ,I am 39 year male with liver test result is

    ALKALINE PHOSPHATASE -115.5 U/L 45 – 129

    BILIRUBIN – 0.65 mg/dl 0.3-1.2

    BILIRUBIN -0.2 mg/dl < 0.3

    BILIRUBIN (INDIRECT) 0.45 mg/dl 0-0.9




    PROTEIN – 7.48 gm/dl 5.7-8.2

    ALBUMIN – 4.45 gm/dl. 3.2-4.8

    SERUM ALB/GLOBULIN RATIO – 1.47 Ratio. 0.9 – 2

    SERUM GLOBULIN 3.03 gm/dL 2.5-3.4
    Wants your analysis on my present day liver function and suggestion to improve it.test done one week ago.
    Waiting for your kind response

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