Essay On Liver Function Test

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Opening:
Liver function tests are blood tests used to diagnose and screen the function of the liver. The tests measure enzymes that liver cells release in response to damage or disease. Here is some more detailed information about these common tests.
Body:
Liver function tests can have the objective to:
• Measure the severity of a disease, especially cirrhosis;
• Monitor potential side effects of some drugs.
• Screen for liver infections, such as hepatitis;
• Monitor the development of a disease, such as viral or alcoholic hepatitis, and determine how well a treatment is working;
Liver blood tests typically consist of six separate tests run on a single blood sample. The tests include:
1. Alanine aminotransferase (ALT)
Enzyme called ALT is released from liver cells.
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Gamma-glutamyltransferase (GGT). It is an enzyme in the blood vessels. Liver or bile duct may lead to high levels.
2. L-lactate dehydrogenase (LD). LD is an enzyme in the liver cells. Liver damage and many other disorders could lead to increasing LD.
3. Prothrombin time (PT). PT is the time for your blood to clot. Liver damage, taking certain blood-thinning drugs, such as warfarin could increase P.
Risks of liver function tests:
The blood sample for liver function tests is usually taken from a vein in your arm. The main risks include soreness or bruising at the site of the blood draw. Most people don't have any serious reactions to having blood drawn.
How you prepare
The results of your liver function tests can be affected by certain foods and medications. It is recommended to avoid eating food and taking some medications before your blood is drawn.
During the test
The blood sample for liver function tests is usually drawn through a small needle inserted into a vein in the bend of your arm. The needle is attached to a small tube, to collect your blood. You may feel a quick pain as the needle is inserted into your arm and experience some short-term discomfort at the site after the needle is

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