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ESR Test Overview
An ESR (Erythrocyte Sedimentation Rate) test is a blood test that detects inflammation in the body. Inflammation is the immune system's reaction to infections and injury. Erythrocytes are red blood cells. For an ESR test, the patient's blood sample is collected in a thin test tube to check how fast the blood cells sink to the bottom. Healthy blood cells fall slowly, but in the case of inflammation, the blood cells stick together to form a bunch. Such a bunch drops faster as it is heavier than the single, healthy blood cells. Thus, an ESR test shows the level of inflammation in the body.
What is The ESR Test Used for?
An ESR test is used to understand the cause of the inflammation. Conditions like infection, unexplained fever, inflammatory bowel syndrome, and arthritis cause inflammation. An ESR test is also used to monitor the existing health conditions that could be causing inflammation. An ESR test also helps diagnose the severity of inflammation and study the effects of the treatment.
Summary Price Of ESR Test
We are a trusted lab, offering ESR Test with a transparent pricing structure.
The cost of ESR Test in India varies as per the city in India.
The average price of ESR Test ranges from ₹30 to ₹130.
The price for the test in the following cities is:
- Chennai: ₹100
- Delhi: ₹130
- Mumbai: ₹115
- Pune: ₹120
Contact Metropolis to book an appointment online.
Frequently Asked Questions
Doctors recommend the ESR test if they observe symptoms of a health problem that causes inflammation. The symptoms of inflammation are:
- Unexplained fever
- Stiffness of joints
- Neck pain
- Shoulder pain
- Loss of appetite
- Weight loss
Some chronic diseases that cause inflammation are:
The ESR test is not an individual diagnostic test, but it helps the doctor detect and study the progress of inflammation in the body.
Blood is dropped into a tall, thin tube to check for the speed at which the red blood cells sink to the bottom.
An ESR test measures how fast the red blood cells settle at the bottom of the tube. In the case of inflammation, red blood cells stick together to form a bunch or a clump. As these clumps of red blood cells are thicker and denser, they fall to the bottom of the tube faster than individual blood cells that fall at a lesser speed. The immune system's inflammatory response is relative to the distance the red blood cells fall in the tube.
The ESR test is a simple blood test.
ESR test Procedure:
- First, the laboratory technician uses a needle to draw blood from the vein in the upper arm
- Next, they collect the blood in a test tube and send the sample for analysis at a laboratory
- The site is then covered with a small bandage to stop the bleeding.
ESR test Precautions:
- The ESR test is a simple blood test which does not require the patient to take any special precautions.
- If other tests are ordered along with the ESR test, the patient will be required to fast for several hours before the test.
- Informing the doctor about any medications or supplements being taken is crucial, as these can affect the ESR test results.
After the ESR test:
After the ESR test, the pricked site on the arm may have pain for a short while. But the patient can soon resume normal activities.
ESR test results are reported as the distance in millimetres (mm) the red blood cells have sunk to the bottom of the tube in one hour.
Normal ESR range is:
- For men: 0 - 22 mm/hr
- For women: 0 - 29 mm/hr
A high ESR test result may be an indication of a health condition that causes inflammation. For example:
- Inflammatory bowel disease
- Kidney disease
- Rheumatoid arthritis
- Autoimmune diseases
- Heart disease
- Systemic vasculitis (Inflammation of blood vessels)
- Polymyalgia rheumatica (Inflammatory disorder causing muscle pain and stiffness around shoulders)
- Arteritis (Inflammation of the walls of the artery)
A low ESR test result means the red blood cells sank slower than the normal range. This could be an indication of,
- Heart failure
- Kidney and liver problems
- Blood disorders:
- Sickle Cell Disease
- Polycythemia (High concentration of red blood cells)
- Leukocytosis (High white blood cell count)
Abnormal ESR test results don't always indicate a medical condition. The following can affect ESR test results:
- Menstrual cycle
- Regular consumption of alcohol
- Physical exercise
Sometimes, the patient may suffer from a condition that causes inflammation and still get normal test results. Therefore, a C-reactive protein (CRP) test is usually recommended along with the ESR test for detailed information about the inflammation.
Getting an ESR test done at a trustworthy laboratory is essential. Consulting the family physician and checking for the ESR test price at a recognised laboratory will ensure a smooth test procedure and error-free test results.
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