Taking Pulseox- SPO2

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While measuring SPO2 of a patient where is it(SPO2) more accurate Tragus (ear) or over the finger????

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It totally depends on the patient. If they have poor circulation or cold fingers you may have to use a forehead probe. Wherever you get the best waveform/reading.

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Specializes in Acute Care Pediatrics.

Yep, it just depends on the clinical picture.

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Homework? What does your book say? What does the manufacturer of your equipment say to do to optimize the equipment's ability to do its job??

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Wherever you get the best perfusion index (PI) and pleth.

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Finger, toe or the ear. I think fingers are the easiest, if there is good perfusion.

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