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Related Concept Videos

Pulse rhythm01:30

Pulse rhythm

882
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.
Conversely, an irregular pulse pattern is termed dysrhythmia, stemming from disruptions in cardiac...
882
Special considerations while measuring pulse01:13

Special considerations while measuring pulse

634
Assessing a patient's pulse is a fundamental skill in healthcare, but certain situations require special attention:
634
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 Oximetry01:24

Pulse Oximetry

377
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...
377
Equipments Used To Measure Blood Pressure01:30

Equipments Used To Measure Blood Pressure

1.1K
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...
1.1K
Pulse01:16

Pulse

712
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...
712

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Related Experiment Video

Updated: Aug 12, 2025

A Novel Digital Platform for a Monitored Home-based Cardiac Rehabilitation Program
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Multichannel Flexible Pulse Perception Array for Intelligent Disease Diagnosis System.

Tiezhu Liu1,2, Guang-Yang Gou1,2, Fupeng Gao1,2

  • 1School of Electronic, Electrical, and Communication Engineering, University of Chinese Academy of Sciences (UCAS), Beijing100049, China.

ACS Nano
|January 30, 2023
PubMed
Summary
This summary is machine-generated.

A new flexible pulse sensor array offers high sensitivity and a wide detection range for remote disease diagnosis. This wearable technology uses intelligent algorithms for accurate pulse recognition, paving the way for advanced healthcare devices.

Keywords:
flexible electronicsmachine learning algorithmpiezoresistive pressure sensorpulse detectionsensor array

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Area of Science:

  • Materials Science
  • Biomedical Engineering
  • Nanotechnology

Background:

  • Conventional pressure sensors lack the sensitivity and response range needed for intelligent disease diagnosis.
  • Accurate pulse signal detection is crucial for medical and health applications.

Purpose of the Study:

  • To develop a multichannel flexible pulse perception array for remote disease diagnosis.
  • To enhance sensitivity and response range beyond conventional pressure sensors.

Main Methods:

  • Fabrication of a polyimide/multiwalled carbon nanotube-polydimethylsiloxane nanocomposite/polyimide (PI/MPN/PI) sandwich-structure sensor.
  • Development of a molecular-level mechanical model to guide nanocomposite preparation.
  • Integration of a 27-channel high-density sensor array.
  • Implementation of intelligent algorithms for pulse information extraction and recognition.

Main Results:

  • Achieved high sensitivity (35.02 kPa-1) and a broad response range (0-18 kPa) using a pyramid-like bilayer microstructure.
  • Successfully extracted spatial and temporal pulse distribution information.
  • Developed algorithms for six-dimensional pulse information extraction with a 97.8% recognition rate.

Conclusions:

  • The developed flexible pulse sensor array shows significant potential for intelligent disease diagnosis systems.
  • The sensor array is suitable for wearable healthcare devices, enabling remote health monitoring.
  • This technology advances the field of non-invasive medical diagnostics.