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Related Concept Videos

Special considerations while measuring pulse01:13

Special considerations while measuring pulse

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Assessing a patient's pulse is a fundamental skill in healthcare, but certain situations require special attention:
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Pulse rhythm01:30

Pulse rhythm

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Pulse rhythm refers to the pattern of pulsations within specific intervals, offering valuable insights into the regularity or irregularity of the heart's beats as observed through the pattern of pulsation within specific intervals. A regular pulse exhibits a consistent heart rate with uniform waveforms and pulsation force, variations of which can be classified as normal, weak, or bounding.
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Assessment of radial pulse01:11

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Assessment of Radial Pulse
The radial pulse, located at the wrist, is often the preferred site for assessing peripheral pulse because of its accessibility and dependability. The process of determining the radial pulse involves several steps:
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Pulse Oximetry01:24

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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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To obtain accurate blood pressure measurements in clinical settings, especially when traditional methods are insufficient, healthcare professionals utilize the Doppler ultrasound technique. This method uses high-frequency sound waves to detect blood flow within the arteries, which is crucial for patients with conditions that complicate circulatory system assessment.
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Related Experiment Video

Updated: Mar 22, 2026

Software for Analysis of Heart Rate and Blood Pressure Time-series Data from the Valsalva Maneuver
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Computer-Vision-Guided Human Pulse Rate Estimation: A Review.

Arindam Sikdar, Santosh Kumar Behera, Debi Prosad Dogra

    IEEE Reviews in Biomedical Engineering
    |April 13, 2016
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    Summary
    This summary is machine-generated.

    Computer vision can estimate human pulse rate (PR) non-contactually. This review benchmarks these techniques, finding them promising for clinical use, though currently more effective for nonclinical applications.

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    Area of Science:

    • Biomedical Engineering
    • Computer Vision
    • Physiological Monitoring

    Background:

    • Contact-based methods for human pulse rate (PR) estimation have limitations.
    • Noncontact computer-vision-assisted PR estimation has advanced significantly.
    • A lack of standardized benchmarking exists for vision-guided noncontact PR techniques.

    Purpose of the Study:

    • To systematically review noncontact, computer-vision-based PR estimation techniques.
    • To benchmark existing techniques using a novel, challenging dataset.
    • To evaluate the potential of these methods for clinical applications.

    Main Methods:

    • A systematic review of noncontact PR estimation techniques was performed.
    • PR and video data were collected from 14 volunteers under varied conditions (distance, illumination).
    • Techniques were evaluated on a uniform computing platform using the recorded dataset.

    Main Results:

    • Noncontact image- and video-based PR estimation shows high effectiveness for nonclinical purposes.
    • Several approaches demonstrate significant promise for future clinical applications.
    • The study provides a comprehensive discussion of pros and cons of existing techniques.

    Conclusions:

    • This review is the first to systematically evaluate contactless vision-guided PR estimation.
    • Noncontact PR estimation techniques are advancing, with potential for both clinical and nonclinical use.
    • Further research is needed to fully realize the clinical potential of these technologies.