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Positional oximetry to screen for pulmonary arteriovenous malformations in HHT

Susan Carpenter1, Janina Josepovici1, Giuseppe Latino1

  • 1Division of Respiratory Medicine, Department of Paediatrics, The Hospital for Sick Children, Toronto, Canada.

Thorax
|April 8, 2014
PubMed

Keywords:
Rare lung diseases

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Pulse Oximetry

Pulse oximetry, or SpO2, is a non-invasive method for continuously monitoring arterial oxygen saturation (SaO2). This procedure involves attaching a probe or sensor to the patient's fingertip, forehead, earlobe, or nose bridge. The sensor works by detecting changes in oxygen saturation levels through light signals generated by the oximeter and reflected by the pulsing blood under the probe.
Purpose
Average SpO2 values are greater than 95%. If the readings fall below 90%, it indicates that...
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