LDH Pleural Fluid Test - Price, Normal Range | Sprint Diagnostics Hyderabad

Patient Preparing : No special preparation is required for this test.

₹ 380


Lactate dehydrogenase (LDH) is an enzyme found in various tissues in the body, including the lungs. It is essential for the conversion of lactate to pyruvate in the process of energy production within cells. When cells are damaged or destroyed, LDH is released into the surrounding fluid. The LDH test in pleural fluid helps in the analysis of the fluid which accumulates between the two layers of tissue (pleura) that line the lungs and chest cavity. This test can be instrumental in diagnosing and monitoring different lung conditions, including infections, cancer, and diseases that cause inflammation.

The pleura is a double layer of tissue that provides lubrication for the lungs to expand and contract smoothly during breathing. Pleural fluid is the fluid that lies in the pleural space and acts as a lubricant. When there is an excess of pleural fluid, due to infection, inflammation, or other causes, it is called pleural effusion. LDH levels in pleural fluid can be a significant marker for determining the cause of pleural effusion.

Test Name LDH (Lactate Dehydrogenase) - Pleural Fluid
Sample Type Pleural Fluid
Preparations Required No special preparation is required for this test.
Report Time 4 hours
Price in Hyderabad ₹ 380

What is LDH and what role does it play in the lungs?

Lactate dehydrogenase (LDH) is an enzyme found in many body tissues, including the lungs. It is involved in energy production. In the context of pleural fluid, LDH levels can indicate the presence of disease or injury to the lung tissues.

How is the test for LDH in pleural fluid performed?

The test is performed on a sample of pleural fluid. This fluid is usually obtained through a procedure called thoracentesis, where a needle is inserted through the chest wall into the pleural space to withdraw fluid.

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Why is this test ordered?

This test is often ordered to help determine the cause of pleural effusion, which is the accumulation of excess fluid in the pleural space.

What do elevated levels of LDH in pleural fluid indicate?

Elevated levels of LDH in pleural fluid can indicate a variety of conditions including pneumonia, tuberculosis, lung cancer, or pulmonary embolism.

Are there risks associated with thoracentesis?

Yes, thoracentesis can have risks including infection, bleeding, and puncture of the lung which can cause the lung to collapse. However, when performed by an experienced healthcare professional, the risks are minimized.

What is pleural effusion and how is it related to LDH levels in pleural fluid?

Pleural effusion is an accumulation of excess fluid in the space between the layers of the pleura. High levels of LDH in this fluid can indicate cell damage or inflammation, which are often associated with the conditions causing pleural effusion.

How can I prepare for the test?

There is no special preparation needed for the LDH test. However, it’s important to follow your doctor’s instructions regarding the preparation for thoracentesis.

What are normal levels of LDH in pleural fluid?

Normal levels of LDH in pleural fluid are typically low. However, the range can vary between labs. It’s important to discuss the results with your doctor to understand what they mean for your health.

Are there other tests that are usually done along with LDH in pleural fluid?

Yes, LDH is often part of a group of tests known as pleural fluid analysis which may include protein levels, cell counts, and other chemicals.

How will my doctor use the results of this test?

Your doctor will use the results to help diagnose the cause of pleural effusion and to plan appropriate treatment.

Can medication affect the level of LDH in pleural fluid?

Certain medications might affect LDH levels. It is important to tell your doctor about any medication you are taking.

Can this test be used to monitor treatment?

Yes, in some cases, measuring LDH levels in pleural fluid can be used to monitor the response to treatment.

Is pleural effusion a dangerous condition?

Pleural effusion can be serious depending on the underlying cause and the amount of fluid. It can lead to difficulty breathing and can affect the function of the lungs.

What are some common causes of pleural effusion?

Common causes of pleural effusion include pneumonia, heart failure, liver disease, kidney disease, and cancer.

Which doctor should I consult if I have abnormal LDH levels in pleural fluid?

You should consult a pulmonologist if you have abnormal LDH levels in pleural fluid.

It is essential to recognize the importance of the LDH test in pleural fluid as part of a comprehensive approach to diagnosing and managing lung conditions, especially those involving pleural effusion. Understanding your test results and working closely with your doctor can help in effectively managing any underlying conditions.

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