The Role of Renal Resistive Index (RI) in Predicting Acute Kidney Injury Progression in Intensive Care Clinic

"Renal resistive index uses doppler ultrasonography which assesses blood flow velocity in the renal arteries. The Renal Resistive Index (RI) is calculated by substracting diastolic velocity from systolic velocity then dividing result by systolic velocity~Where:~Systolic velocity is the peak velocity of the blood flow during the systolic phase of the cardiac cycle.~Diastolic velocity is the velocity of blood flow during the diastolic phase."