What is the importance of esr= erythrocyte sedimentation rate?

Inflammation. Esr is an indicator of general inflammation. It can elevate for any number of reasons but typically during infection and flare-ups of rheumatic diseases such as arthritis.

Related Questions

What happens if ESR (erythrocyte sedimentation rate)is 80mm/hr in female what kind of disease she is suffering from.?

Not a specific test. The sedimentation rate is not a specific diagnostic test for anything. It is often used to follow some diseases but not diagnostic by itself. It needs to be coupled with a complete history and physical exam and other diagnostic tests.
Ask your doctor. Who knows what they were looking for since a sed rate is a very nonspecific and just indicates inflammation of any type.

What could cause a low erythrocyte sedimentation rate (esr)?

No low. Erythrocyte sedimentation rate (ESR) is used to measure inflammation. An abnormally higher number denotes a higher amount of systemic inflammation. There technically are no "low" sedimentation rates as the normal ESR range starts at 0 mm/hour.

What is the definition or description of: erythrocyte sedimentation rate?

ESR. An erythrocyte sedimentation rate (ESR) is a lab test that can help to assess inflammation within the body. An increased ESR can be caused by a variety of disease states.