11
Perfusion Index
The perfusion index (PI) is the ratio of the pulsatile blood flow to the non-pulsatile or static blood
in peripheral tissue. Perfusion Index thus represents a non-invasive measure of peripheral perfu-
sion that can be continuously and non-invasively obtained from the
Activ8rlives
Pulse Oximeter2.
To make informed patient management decisions, clinicians often need to be aware of chang-
es in peripheral perfusion and circulatory status.
Optimal pulse oximetry monitoring accuracy is dependent on the selection of a monitoring
site (e.g. fingertip, hand, toe, foot, forehead, ear) characterised by good perfusion with oxygen-
ated blood. The
Activ8rlives
Pulse Oximeter2
now records the PI to ensure that a good reading is
taken. Once the Plethsymogram (pulse rate waveform) has become stable it is then time to take
your reading. See
Page 19
for more details but keeping still, calming your heart rate and breath-
ing, and having warmer hands helps get a more accurate pulse oximeter reading.
Summary of Contents for Pulse Oximeter2 Bluetooth
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