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Related Concept Videos

Pulse Oximetry01:24

Pulse Oximetry

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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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Guidelines For Measuring Vital Signs01:19

Guidelines For Measuring Vital Signs

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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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Special considerations while measuring oxygen saturation01:19

Special considerations while measuring oxygen saturation

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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...
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Respiratory Assessment: Purpose and Indications01:19

Respiratory Assessment: Purpose and Indications

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Respiratory assessment is a cornerstone of nursing assessments, crucial for the early detection of patient deterioration. This evaluation transcends routine procedures, representing a critical skill nurses must master to ensure optimal patient care.
Objectives and Importance:
The primary goal of respiratory assessment is to evaluate patients at early risk of clinical deterioration. Since respiratory distress often precedes other signs of declining health, breathing patterns and sounds become a...
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Related Experiment Video

Updated: May 3, 2026

Non-Invasive Monitoring of Microvascular Oxygenation and Reactive Hyperemia using Hybrid, Near-Infrared Diffuse Optical Spectroscopy for Critical Care
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Pulse oximeter sensor application during neonatal resuscitation: a randomized controlled trial.

Deepak Louis1, Venkataseshan Sundaram, Praveen Kumar

  • 1Neonatal Unit, Advanced Pediatrics Centre, Postgraduate Institute of Medical Education and Research, Chandigarh, India.

Pediatrics
|February 19, 2014
PubMed
Summary

The sensor to oximeter first (STOF) method for pulse oximeter application in neonates is faster for reliable signal detection compared to sensor to infant first (STIF). Both methods resulted in similar times from birth to a reliable signal.

Keywords:
delivery roomneonatepulse oximetersensorsignal acquisition

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Area of Science:

  • Neonatal Resuscitation
  • Cardiopulmonary Monitoring
  • Medical Device Application

Background:

  • Accurate and timely monitoring of heart rate and oxygen saturation is critical during neonatal resuscitation.
  • Pulse oximetry is a key tool for assessing oxygenation, but sensor application can delay signal acquisition.

Purpose of the Study:

  • To compare the efficacy of two distinct pulse oximeter sensor application techniques in achieving faster signal detection during neonatal resuscitation.
  • To determine which method, sensor to infant first (STIF) or sensor to oximeter first (STOF), leads to quicker reliable readings.

Main Methods:

  • A randomized study comparing STIF and STOF techniques in neonates of ≥28 weeks gestation.
  • Primary outcome: time from sensor application completion to reliable signal (heart rate and saturation).
  • Secondary outcomes included time from birth to sensor application, sensor application duration, and need for reapplication.

Main Results:

  • The STOF method demonstrated significantly faster detection of a reliable signal post-application compared to STIF (10 vs. 16 seconds; P <0.001).
  • Sensor application itself took longer with the STIF technique (12 vs. 11 seconds; P = 0.04).
  • No significant difference was observed in the time from birth to a reliable signal between the two methods (STIF: 61s; STOF: 58s; P = .09).

Conclusions:

  • The sensor to oximeter first (STOF) technique is superior for rapid signal acquisition in neonatal resuscitation settings.
  • While STOF provides faster signal detection, overall time from birth to reliable monitoring remains comparable between STOF and STIF methods.