How is a ESR blood test done?

To do the ESR test, a sample of blood is taken from your body through the ESR test kit and then that sample is sent to the laboratory for testing. Where that blood sample is placed in a thin and long glass tube and then the state of falling blood is measured for one hour.

If you have inflammation somewhere in your body, the abnormal protein will form clumps of red blood cells, which will increase the weight of the red blood cells and cause them to fall down quickly. It's measured in Mm/Hr (millimeters per hour), which lets the doctor know if you have a problem or not.