ESR Test is mostly used as a predictive tool to determine the presence of organic illness or to track the progression of the disease. A sedimentation rate or sed rate test is another name for an erythrocyte sedimentation rate (ESR) test.

Keep reading to know about the ESR test including preparation, ESR test price, etc.


ESR Test – An Overview

How is the ESR Test Performed?

A blood sample will be drawn from the individual’s vein and sent to a laboratory by a doctor. The blood will then be transferred to a vertical test tube, where the red blood cells will settle to the bottom over time. This will leave a clear, yellowish fluid, which is blood plasma, at the top. The amount of plasma at the top of the tube after 1 hour will determine the test’s outcome. The rate of change will be measured in millimeters per hour (mm/hr).

Keep in mind the following points

  • Don’t eat anything for 8-12 hours before the ESR test because the ESR test requires a fasting specimen.
  • Make sure your doctor is aware of all the medications, herbs, vitamins, and supplements you’re taking.
  • Tell your doctor if you just ate a fatty meal, if you’re on your period, or if you think you’re pregnant.

An ESR test is performed to monitor how diseases like the ones listed below are progressing or responding to therapy.

  • Rheumatoid arthritis
  • Temporal arteritis
  • Polymyalgia rheumatica
  • Systemic vasculitis

ESR test is done when your body develops the following symptoms:

  • Anemia
  • Neck or shoulder discomfort
  • Pelvic pain
  • Headaches
  • Low appetite
  • Unexplained weight loss
  • Fever
  • Joint stiffness

The erythrocyte sedimentation rate (ESR or sed rate) is an excellent indicator of inflammation in the body. The test examines the rate at which erythrocytes (red blood cells) descend (sediment) in a blood sample that has been deposited into a tall, thin, vertical tube. The millimeters of clear fluid (plasma) present at the upper section of the tube after one hour are reported as the result.

When a drop of blood is inserted into a tube, the red blood cells settle out slowly, leaving just a little amount of transparent plasma. In the presence of an elevated number of proteins, particularly proteins known as acute-phase reactants, red cells settle at a quicker pace. Inflammation raises the levels of acute-phase reactants including C-reactive protein (CRP) and fibrinogen in the blood.

Inflammation is a normal aspect of the immune system’s reaction. It might be acute, as in emerging quickly after a shock, injury, or infection, or persistent, as in autoimmune illnesses or cancer.

The ESR blood test is a non-specific test that can be increased in a variety of diseases. It gives you broad information regarding whether or not you have an inflammatory condition.

Keep the following considerations in mind:

  • You may notice a minor bruise at the puncture site.
  • Slight pain in the arm after the test, which can last for a few days.

There is usually no such risk associated with the ESR test.

Reference Range:

Gender and Age ESR (mm/hr)
Males < 50 0 to 15
Males > 50 0 to 20
Females < 50 0 to 20
Female > 50 0 to 30

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Understanding ESR Test Results

General Considerations

Women have a higher ESR than men.

ESR increases after the third month of pregnancy and returns to normal in around 3 to 4 weeks after delivery.

ESR is low in newborns and gradually rises to puberty.

Blood counts that are too high tend to lower the sedimentation rate. Low blood counts, on the other hand, tend to higher the sedimentation rate.

Clinical Significance

Increased levels of ESR are found in:
  • Tuberculosis
  • Myocardial infarction
  • Rheumatoid arthritis
  • Nephrosis
  • Any type of Shock
  • Active syphilis
  • Liver disease
  • Acute or chronic infectious disease
  • Necrotic or malignant tumors
  • Appendicitis
  • Postoperative states
  • Polycythemia
  • Congestive heart failure
  • Allergic states
  • Sickle cell anemia
Clinical Significance

Instructions to Book an Appointment

The details about this test mentioned on our website are for reference purpose only. It is recommended to contact a doctor for interpreting and understanding the test reports. Instead of searching the internet for "ESR test near me," simply go to the website and arrange an ESR test online. Just enter your mobile number or mail, generate an OTP, add your details and schedule your appointment. No documents are needed at the time of booking; a few basic details are all we want. Also, we offer contactless doorstep collection services as well.

You can also book the appointment for your test by dialing our customer care number i.e. +91-124-4967000.

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