What is ESR and how is it defined?

Erythrocyte sedimentation rate (ESR) is one of the most common tests included in the general blood test, which is prescribed to almost all children and adults who seek medical help. Most people believe that ESR helps to distinguish sick people from healthy ones. Is that true? Is it possible to prescribe treatment to a patient based on elevated ESR? Is there an increase in ESR in healthy people? You will find the answers to these questions in the article by the Head of the Children's Polyclinic of the Oberig Clinic, Tovmash RM