abnormal blood homeostasis abnormal erythrocyte sedimentation rate 2020-05-28T12:41:08Z abnormal sed rate MP:0031061 MPheno.ontology a deviation in the rate at which red blood cells (RBCs) descend under the influence of gravity in a vertical column of anticoagulated whole blood over a period of one hour; the rate at which RBCs settle out from the plasma is measured as the number of millimeters of clear plasma present at the top of the column after one hour (mm/hr); a non-specific measure of inflammation abnormal blood sedimentation rate abnormal Westergren sedimentation rate abnormal ESR