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Related Concept Videos

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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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.
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Average SpO2 values are greater than 95%. If the readings fall below 90%, it indicates that...
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Pulse Assessment Sites01:11

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Pulse assessment sites are crucial in evaluating a patient's cardiovascular health. By assessing the pulsations of arteries at specific anatomical locations, healthcare professionals can gather valuable information about blood flow, heart rate, and peripheral circulation. Understanding these pulse assessment sites is essential for conducting comprehensive cardiovascular evaluations and monitoring patients' overall health. These sites are strategically chosen due to the accessibility and...
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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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Pulse01:16

Pulse

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When the heart pumps blood out, arterial elastic fibers play a crucial role in sustaining a high-pressure gradient. They expand to accommodate the received blood and then recoil - a process known as the pulse that can be either manually palpated or electronically quantified. Despite a reduction in its effect with increased distance from the heart, elements of the pulse's systolic and diastolic components persist, observable even at the arteriole level.
The pulse serves as a clinical...
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Equipments Used To Measure Blood Pressure01:30

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Direct Method
This invasive approach involves cannulating a peripheral artery. During each cardiac contraction, pressure generates mechanical motion within the catheter, transmitted through rigid, fluid-filled tubing to a transducer. This transducer converts mechanical motion into electrical signals displayed as waveforms on a monitor. An automatic flushing system prevents blood backflow. Due to the potential risk of unexpected arterial blood loss, this method is primarily used in intensive...
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Updated: Nov 9, 2025

Non-Invasive Monitoring of Microvascular Oxygenation and Reactive Hyperemia using Hybrid, Near-Infrared Diffuse Optical Spectroscopy for Critical Care
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[Portable Pulse Detection System Based on IoT].

Qijun Dai1, Yuping Zhao2, Qianqian Wang1

  • 1School of Electrical Engineering, Zhengzhou University, Zhengzhou, 450001.

Zhongguo Yi Liao Qi Xie Za Zhi = Chinese Journal of Medical Instrumentation
|April 7, 2021
PubMed
Summary
This summary is machine-generated.

This study introduces a portable, low-cost Internet of Things (IoT) pulse analyzer. The system achieves over 97% accuracy in recognizing key pulse signal features, offering practical application potential.

Keywords:
IoTRaspberry Pipulse signal

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Area of Science:

  • Biomedical Engineering
  • Internet of Things (IoT)
  • Signal Processing

Background:

  • Traditional pulse analyzers are expensive, bulky, and difficult to use in real-world applications.
  • There is a need for accessible and portable pulse detection systems.

Purpose of the Study:

  • To design and implement a cost-effective, portable pulse detection system using IoT technology.
  • To improve the accessibility and real-time application of pulse signal analysis.

Main Methods:

  • Utilized Raspberry Pi 3B+, STM32 microcontroller, and cloud server for data processing.
  • Developed a system for collecting, storing, displaying, and recognizing pulse signals from CUN, GUAN, and CHI locations.
  • Integrated IoT for network connectivity and resource utilization.

Main Results:

  • The portable pulse analyzer demonstrated high recognition accuracy for main pulse signal feature points, exceeding 97%.
  • The system is characterized by its small size and low cost.

Conclusions:

  • The developed portable pulse detection system offers a practical and accurate solution for pulse signal analysis.
  • The system shows significant potential for future development and widespread application in healthcare and beyond.