Liver Function Test (LFT)
A Crucial Diagnostic Assessment
Liver Function Test (LFT) is a vital diagnostic tool used to evaluate the health and functioning of the liver. Also referred to as a hepatic function panel or liver profile, this series of blood tests provides essential insights into the liver’s ability to metabolise substances, produce proteins, and eliminate toxins from the body. Monitoring liver function is crucial for detecting and managing various liver conditions, such as hepatitis, cirrhosis, and fatty liver disease. Early detection through LFT can facilitate timely interventions and prevent further complications.
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For a more comprehensive understanding, please read the detailed information below. It outlines why LFT is crucial, who should consider getting tested, how someone can prepare for it, what are the potential risks, and how the results can be interpreted.
WHAT HAPPENS IN A LFT TEST?
During a Liver Function Test, your blood sample is collected by a healthcare professional. It is then analysed for various markers of liver function, including enzymes, proteins, and bilirubin levels. The test is typically quick and relatively painless. To properly assess liver function, doctors rely on blood tests that evaluate enzyme levels, protein synthesis, and waste product clearance.
The table below mentions the normal ranges of different Liver function tests:
| Liver Function Test | Normal Levels | Units |
|---|---|---|
| Alanine amino Transferase - (ALT / SGPT) | 4-36 | U/L |
| Aspartate Aminotransferase (AST/SGOT) | 5 – 34 | U/L |
| Alkaline Phosphatase ( ALP) | 40 - 150 | U/L |
| Gamma Glutamyl Transferase (GGT) | 9 – 48 | U/L |
| Globulin | 2.3 – 3.5 | g/dL |
| Albumin | 3.8 – 5.0 | g/dL |
KEY BLOOD TESTS
Total BilirubinBilirubin is a waste product produced by the liver. Elevated levels may indicate liver dysfunction or bile duct obstruction.
Albumin and Total ProteinThese proteins are produced by the liver. Abnormal levels may indicate liver disease or malnutrition.
Alkaline Phosphatase (ALP)This enzyme is involved in various liver functions, including bile production and bone health. Elevated levels may indicate liver or bone disease.
Alanine Aminotransferase (ALT) and Aspartate Aminotransferase (AST)These enzymes are released into the bloodstream when liver cells are damaged. Elevated levels may indicate liver inflammation or injury.
Your physician will analyse these findings comprehensively, taking into account additional tests and medical background, in order to customize a treatment strategy that suits your requirements.
OTHER TESTS
In addition to blood tests, your doctor may recommend monitoring your blood pressure or conducting further evaluations, such as imaging or a biopsy, to assess kidney health.
Imaging
Diagnostic imaging, such as ultrasound or MRI, provides insights into liver structure and detects abnormalities or lesions.
Liver Biopsy
This procedure involves obtaining a small tissue sample from the liver for microscopic examination. It aids in diagnosing liver conditions and guiding treatment decisions.
HOW TO INTERPRET THE RESULTS?
Understanding LFT outcomes requires evaluation by a qualified medical professional. Irregular levels of enzymes, bilirubin, or proteins could signal liver irregularities. Your healthcare provider will go over the results with you, discuss anomalies, and suggest further assessments or treatments if needed.
How To Prepare For A LFT Test ?
For precise outcomes, adhere to the pre-test guidelines given by your healthcare provider. These instructions might entail fasting for a specified duration or refraining from certain medications that could impact the test results. Keep yourself hydrated by consuming ample water before undergoing the test.
RISKS ASSOCIATED WITH A LFT TEST?
LFT is typically safe with low risks involved. A few individuals might encounter slight discomfort or bruising where blood is drawn. In rare instances, there is a small chance of infection or excessive bleeding.
Consistent Liver Function Tests are vital for sustaining optimal liver health and identifying potential issues at an early stage. By recognising the significance of LFT and prioritising routine blood tests and screenings, you can proactively safeguard your liver function and overall well-being. Should you have any concerns regarding your liver health, feel free to seek advice from your healthcare provider and book an LFT appointment on www.flebo.in!