Arterial resistivity index

The arterial resistivity index (also called as Resistance index, abbreviated as RI), developed by , is a measure of pulsatile blood flow that reflects the resistance to blood flow caused by distal to the site of measurement.

Arterial resistivity index

The arterial resistivity index (also called as Resistance index, abbreviated as RI), developed by , is a measure of pulsatile blood flow that reflects the resistance to blood flow caused by distal to the site of measurement.