ESR (Erythrocyte Sedimentation Rate) Blood Test, from our experts to you.
Dr Sam Rodgers MBBS, MRCGP

Chief Medical Officer meet our doctors

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What is

ESR (Erythrocyte Sedimentation Rate) is a non-specific marker of inflammation and indirectly measures inflammation levels in the body.

What does this
ESR test measure?

Our blood test measures the rate red blood cells fall in a tall, thin tube. Normally, red blood cells fall slowly and leave little clear plasma within the tube. Increased levels of some proteins, such as fibrinogen or immunoglobulins, which are both increased in inflammation, cause the red blood cells to fall quicker, which increases the ESR result.

What can I learn
from this test?

Our ESR test helps to diagnose conditions associated with acute and chronic inflammation, including infections, cancers, and autoimmune diseases. ESR is a non-specific marker as it does not pinpoint exactly where the inflammation is in the body or what is causing it. Chronic low-level inflammation is a risk factor for heart disease.

What's Included?

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ESR ESR (Erythrocyte Sedimentation Rate) is a non-specific inflammation marker. It measures the rate at which red blood cells fall to the bottom of a tube. The blood cells fall quicker during inflammation, as there are more proteins in the blood, caused by the inflammation. It is said to be nonspecific because increases do not indicate exactly where the inflammation in your body is, or what is causing it, and also because it can be affected by other conditions other than inflammation.