MeSH definition : The ratio of arterial blood flow (PULSATILE FLOW) to venous, capillary, and tissue
blood flow (non-pulsatile blood flow) - as measured regionally or peripherally.;
MeSH synonym : Index, Perfusion;
CISMeF acronym : PI;
Wikipedia link : https://en.wikipedia.org/wiki/Perfusion index;
The ratio of arterial blood flow (PULSATILE FLOW) to venous, capillary, and tissue
blood flow (non-pulsatile blood flow) - as measured regionally or peripherally.