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Related Concept Videos

Special considerations while measuring oxygen saturation01:19

Special considerations while measuring oxygen saturation

714
Assessing respiratory rate concurrently with pulse measurement is fundamental to patient care, providing valuable insights into the patient's respiratory function. The normal breathing rate for an adult usually falls within a normal range of 12 to 20 breaths per minute. Abnormal respiratory rates can signal underlying health conditions or the need for immediate intervention.
Ensuring accuracy in vital sign recordings while prioritizing patient comfort and minimizing anxiety is...
714
Pulse Oximetry01:24

Pulse Oximetry

757
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...
757
Guidelines For Measuring Vital Signs01:19

Guidelines For Measuring Vital Signs

2.0K
Following these guidelines can help nurses accurately measure vital signs, assess changes in patient conditions, and provide timely treatment when necessary. Adhering closely to the guidelines ensures the accuracy and reliability of the results.
Before taking a patient's vital signs, a nurse would consider and assess the patient's comfort level and ensure appropriate equipment is available.
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Related Experiment Video

Updated: Sep 27, 2025

Non-invasive Optical Measurement of Cerebral Metabolism and Hemodynamics in Infants
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Determining reference data for overnight oximetry in neonates: A pilot study.

Anndrea Flint1, Deanne August2, Melissa Lai3

  • 1Neonatal Unit, Redcliffe Hospital, Redcliffe, Queensland, Australia.

Early Human Development
|April 7, 2022
PubMed
Summary

Overnight oximetry in healthy newborns reveals frequent oxygen desaturation events. This study establishes baseline data for reliable reference ranges in neonatal pulse oximetry monitoring.

Keywords:
Chronic neonatal lung diseaseInfant newbornNeonatal nurseryNocturnal oximetryOvernight oximetryPulse oximetry

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Area of Science:

  • Neonatal physiology
  • Cardiorespiratory monitoring

Background:

  • Overnight oximetry is crucial for assessing neonatal cardiorespiratory health.
  • Establishing reliable reference ranges for SpO2 in healthy term infants is essential for accurate clinical interpretation.

Purpose of the Study:

  • To determine the variability of overnight pulse oximetry parameters in healthy term infants.
  • To provide data for calculating the sample size needed for robust neonatal reference ranges.

Main Methods:

  • Overnight pulse oximetry was conducted on a sample of healthy term neonates.
  • Data analysis focused on the frequency of oxygen desaturation events and time spent with SpO2 <90%.

Main Results:

  • All infants experienced oxygen desaturation events, ranging from 4 to 36 per hour.
  • On average, infants spent 3.0% of the time with oxygen saturation below 90%.

Conclusions:

  • Healthy term neonates exhibit variability in overnight SpO2, including frequent desaturation events.
  • The findings support the need for comprehensive data to establish reliable reference ranges for neonatal overnight oximetry.