what is a esr blood test used for
ESR is an abbreviated form for erythrocyte sedimentation rate. It is often referred to as the sedimentation rate or the sed rate. An ESR blood test is usually done to check and understand the degree of inflammation in the body such as cancers, various kinds of infections as well as autoimmune disorders and diseases. It is a non specific and an easy test which is really cost effective as compared to other blood tests.