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Related Concept Videos

Pulse Assessment Sites01:11

Pulse Assessment Sites

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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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Pulse rhythm01:30

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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 Audio-Tactile Sensory Substitution Training in Participants with Profound Deafness Using the Event-Related Potential Technique
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Portable Interactive Pulse Tactile Recorder and Player System.

Tzu-Chieh Hsieh1, Chien-Min Wu1, Cheng-Chung Tsai1

  • 1Department of Mechanical Engineering, National Taiwan University, Taipei 10617, Taiwan.

Sensors (Basel, Switzerland)
|July 2, 2021
PubMed
Summary
This summary is machine-generated.

This study introduces a portable system for recording and replaying human pulse tactile feedback. The novel device enables realistic pulse simulation for improved diagnosis of arterial diseases.

Keywords:
artificial neural networkempirical mode decompositionintrinsic mode functionspulse tactile playerpulse tactile recorder

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Area of Science:

  • Biomedical Engineering
  • Medical Devices
  • Human-Computer Interaction

Background:

  • Pulse palpation is crucial for diagnosing arterial diseases.
  • Current pulse measurement devices and simulators lack real-time, arbitrary waveform capabilities.
  • Existing systems often use preconfigured pressures and predefined pulse waveforms, limiting diagnostic accuracy.

Purpose of the Study:

  • To develop a portable, interactive system for human pulse measurement and reproduction.
  • To enable users to record arbitrary pulses and experience realistic tactile feedback in real-time.
  • To enhance the diagnostic capabilities for arterial diseases through advanced pulse simulation.

Main Methods:

  • Development of a pulse tactile recorder and a pulse tactile player.
  • Utilizing empirical mode decomposition to break down pulse waveforms into intrinsic mode functions.
  • Training artificial neural networks to map intrinsic mode functions to driving signals for realistic vibration reproduction.

Main Results:

  • The developed system allows for recording and replaying pulse palpation forces and vibrations.
  • High-fidelity pulse tactile vibrations were reproduced with an average normalized root mean square error of 0.0654.
  • An average R-squared value of 0.958 indicates a strong correlation between original and reproduced pulses.

Conclusions:

  • The portable interactive system accurately captures and reproduces high-fidelity pulse tactile feedback.
  • This technology offers a significant advancement for the tactile exploration and examination of arterial conditions.
  • The system enhances diagnostic potential by providing realistic, real-time pulse simulation based on natural user interaction.