How is it Diagnosed?
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How is it Diagnosed?
Medical Treatment
Emergency Help
Qualified Doctors
Medical Professionals
How is it Diagnosed?
Medical Treatment
Emergency Help
Qualified Doctors
Medical Professionals
How is it Diagnosed?
Medical Treatment
Emergency Help
Qualified Doctors
Medical Professionals
How is it Diagnosed?
Medical Treatment
Emergency Help
Qualified Doctors
Medical Professionals
Liver function test:
State of the Art
Liver function tests, also known as liver chemistries, help determine the health of your liver by measuring the levels of proteins, liver enzymes, and bilirubin in your blood.
The Recommended tests:
- to check for damage from liver infections, such as hepatitis B and hepatitis C
- to monitor the side effects of certain medications known to affect the liver
- if you already have a liver disease, to monitor the disease and how well a particular treatment is working
- if you’re experiencing the symptoms of a liver disorder
- if you have certain medical conditions such as high triglycerides, diabetes, high blood pressure, or anemia
- if you drink alcohol heavily
- if you have gallbladder disease
More about the liver function test:
The ALT and AST tests measure enzymes that your liver releases in response to damage or disease. The albumin test measures how well the liver creates albumin, while the bilirubin test measures how well it disposes of bilirubin. ALP can be used to evaluate the bile duct system of the liver.
Having abnormal results on any of these liver tests typically requires follow up to determine the cause of the abnormalities. Even mildly elevated results can be associated with liver disease. However, these enzymes can also be found in other places besides the liver.
Common liver function tests?
Liver function tests are used to measure specific enzymes and proteins in your blood.
Depending on the test, either higher- or lower-than-normal levels of these enzymes or proteins can indicate a problem with your liver.
Alanine transaminase (ALT) test:
Alanine transaminase (ALT) is used by your body to metabolize protein. If the liver is damaged or not functioning properly, ALT can be released into the blood. This causes ALT levels to increase.
A higher than normal result on this test can be a sign of liver damage.
According to the American College of Gastroenterology, and ALT above 25 IU/L (international units per litre) in females and 33 IU/L in males typically requires further testing and evaluation.
Aspartate aminotransferase (AST) test:
Aspartate aminotransferase (AST) is an enzyme found in several parts of your body, including the heart, liver, and muscles. Since AST levels aren’t as specific for liver damage as ALT, it’s usually measured together with ALT to check for liver problems.
When the liver is damaged, AST can be released into the bloodstream. A high result on an AST test might indicate a problem with the liver or muscles.
The normal range for AST is typically up to 40 IU/L in adults and may be higher in infants and young children.
There are other important tests like;
- Alkaline phosphatase (ALP) test
- Albumin test
- Bilirubin test
Why do I need a liver function test?
Liver tests can help determine if your liver is working correctly. The liver performs a number of vital bodily functions, such as:
- removing contaminants from your blood
- converting nutrients from the foods you eat
- storing minerals and vitamins
- regulating blood clotting
- producing cholesterol, proteins, enzymes, and bile
- making factors that fight infection
- removing bacteria from your blood
- processing substances that could harm your body
- maintaining hormone balances
- regulating blood sugar levels.
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