LOINC long common name : Perfusion index Blood Postductal Pulse oximetry;
LOINC short name : Perfusion index Bld Postductal PulseOx;
LOINC description : The perfusion index measures the strength of the pulse at a sensor site and is the
ratio of the pulsatile and nonpulsatile components of the pulse oximetry signal. Postductal
measurement indicates that the measurements are taken using a pulse oximetry device
placed in an anatomical location whose blood supply originates from the aorta after
the junction of the aorta with the ductus arteriorsus (usually either the right or
left foot).;
Has component