What is perfusion index?

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Question: What is perfusion index?

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The perfusion index (PI) derived from a pulse oximeter is calculated as the ratio of the pulsatile blood flow to the non-pulsatile blood in peripheral tissue,11 and can be measured non-invasively. The perfusion index (PI) is the ratio of the pulsatile blood flow to the nonpulsatile or static blood in peripheral tissue. Perfusion Index or PI is the ratio of the pulsatile blood flow to the non-pulsatile static blood flow in a patient's peripheral tissue, such as finger tip, toe, or ear lobe. Perfusion Index or PI is the ratio of the pulsatile blood flow to the non-pulsatile static blood flow in a patient's peripheral tissue such as in a fingertip, toe, or ear. Your perfusion index changes based on whether the blood flow to your body is going up or down, and whether the arteries in your fingers are narrowing ( causing.

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Answered By:
Ishana

Ishana

Bhilai, India

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