what is an esr medical terms
Medical Test: ESR (Erythrocyte sedimentation rate). ESR (test): Another name for Erythrocyte sedimentation rate. ESR (test): Erythrocyte sedimentation rate is a test that measures how fast red blood cells (erythrocytes) drop to the bottom of a collection tube. More information on test: Erythrocyte sedimentation rate: 1  Erythrocyte sedimentation rate.