The normal perfusion index (PI) ranges from 0.02% to 20%. If the perfusion index is at or below 0.4% showing weak pulse strength, then the oximeter reading can be unreliable. Peripheral artery diseases, diabetes, obesity, blood clots, etc. are the reasons for poor perfusion.
Feb 15, 2022
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Feb 17, 2022 ˇ The normal perfusion index (PI) ranges from 0.02% to 20%. However, there is no agreed-upon standard “normal value”. So, users should find their ...
PI's values range from 0.02% (weak pulse) to 20% (strong pulse). A site with a high PI number generally indicates an optimal monitoring site. PI is a relative ...
Perfusion index is an indication of the pulse strength at the sensor site. The PI's values range from 0.02% for very weak pulse to 20% for extremely strong ...
Feb 19, 2023 ˇ [13], a study on septic patients, the authors reported normal perfusion at a PI value of 1.4 or more, mild perfusion impairment between 0.6 ...
Aug 12, 2021 ˇ Measurements generally range from 0.02% (very weak pulse) to 20% (very strong pulse). The plethysmograph generated by the pulse oximeter is a ...
May 9, 2022 ˇ The normal range of PI is considered to be between 0.2% and 20% [17] ... Use of a peripheral perfusion index derived from the pulse oximetry signal ...
Jul 30, 2021 ˇ PI indicates the strength of the pulse and can range between 0.02% in weak pulses to 20% in extremely strong pulses. This Perfusion Index can ...
Jul 31, 2020 ˇ Less than 90% of oxygen saturation is a clinical emergency. The normal perfusion index (PI) ranges from 0.02% to 20% showing weak to strong ...
The normal value of PPI was suggested to range between 0.2 and 20%; however, an observational study showed a median (quartiles) normal value of PPI of 4.3 ...
