Many things: This is a problem that requires a face-to-face meeting with your doctor. In that meeting, your doctor will listen to you, perform a throrough examination and possibly order labs or other tests. Based on this information, he/she will be able to tell you what's wrong and what to do about it. ...Read more.
From Wikipedia, the free encyclopedia. The erythrocyte sedimentation rate (ESR), also called a sedimentation rate or Westergren ESR, is the rate at which red blood cells sediment in a period of one hour. It is a common hematology test, and is a non-specific measure of inflammation.rom Wikipedia, the free encyclopedia. The erythrocyte sedimentation rate (ESR), also called a sedimentation rate or Westergren ESR, is the rate at which red blood cells sediment in a period of one hour. It is a common hematology test, and is a non-specific measure of inflammation.
Indications/Applications. The ESR is a nonspecific test that is often used as a screening test for patients with unexplained fevers, certain types of arthritis, muscle symptoms, or other vague symptoms of unknown origin.escription. The rate at which red blood cells settle out when anticoagulated whole blood is allowed to stand is known as the erythrocyte sedimentation rate.