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Related Concept Videos

Pulse Oximetry01:24

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...
Guidelines For Measuring Vital Signs01:19

Guidelines For Measuring Vital Signs

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.
Assessment of Diffusion and Perfusion01:17

Assessment of Diffusion and Perfusion

Understanding and evaluating diffusion and perfusion is critical in assessing a patient's respiratory and circulatory health. These processes play key roles in maintaining the body's internal environment, ensuring that tissues receive adequate oxygen while waste products are efficiently removed.
The Role of Diffusion in Respiration
Diffusion is the process by which molecules move from an area of higher concentration to an area of lower concentration. In the respiratory system, this principle...
Special considerations while measuring oxygen saturation01:19

Special considerations while measuring oxygen saturation

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 important. 

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Related Experiment Video

Updated: Jun 1, 2026

Non-Invasive Monitoring of Microvascular Oxygenation and Reactive Hyperemia using Hybrid, Near-Infrared Diffuse Optical Spectroscopy for Critical Care
14:28

Non-Invasive Monitoring of Microvascular Oxygenation and Reactive Hyperemia using Hybrid, Near-Infrared Diffuse Optical Spectroscopy for Critical Care

Published on: May 10, 2024

Noninvasive tissue oximetry.

Alex Keller1

  • 1Division of Plastic Surgery, Department of Surgery, North Shore Long Island Jewish Health System, 270-05 76th Avenue, New Hyde Park, NY 11040, USA. Akplastic@gmail.com

Clinics in Plastic Surgery
|May 31, 2011
PubMed
Summary
This summary is machine-generated.

Noninvasive tissue oximetry aids in monitoring breast reconstruction flaps after surgery. It also helps surgeons during operations to select perforators and assess flap health, improving patient outcomes.

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Last Updated: Jun 1, 2026

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Area of Science:

  • Plastic Surgery
  • Biomedical Engineering
  • Surgical Monitoring

Background:

  • Autologous tissue breast reconstruction is a complex procedure.
  • Monitoring flap viability is crucial for successful outcomes.
  • Noninvasive tissue oximetry offers a valuable tool for flap assessment.

Purpose of the Study:

  • To review the application of noninvasive tissue oximetry in breast reconstruction.
  • To discuss its role in intraoperative decision-making and postoperative monitoring.
  • To highlight its utility in assessing mastectomy skin flap viability.

Main Methods:

  • Review of current literature on noninvasive tissue oximetry in breast reconstruction.
  • Analysis of its use in perforator selection and tissue mapping.
  • Evaluation of its role in assessing mastectomy skin flap viability.

Main Results:

  • Noninvasive tissue oximetry is effective for intraoperative guidance.
  • It plays a key role in postoperative monitoring of flap viability.
  • The technique aids in identifying potential flap complications.

Conclusions:

  • Noninvasive tissue oximetry is essential for optimizing autologous tissue breast reconstruction.
  • Its intraoperative and postoperative applications enhance surgical decision-making and patient care.
  • Further integration of this technology can improve flap survival rates.