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

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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

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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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Assessment of apical radial pulse01:25

Assessment of apical radial pulse

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Apical-Radial (A-R) Pulse Assessment
The A-R pulse assessment involves simultaneous evaluation of the apical and radial pulses. When the apical and radial pulse rates vary, this assessment helps identify a pulse deficit.
Pre-Procedural Preparation
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Regulation of Pulse01:20

Regulation of Pulse

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Pulse regulation involves physiological mechanisms that ensure adequate blood flow throughout the body. The heartbeat, regulated by the autonomic nervous system, is influenced by hormonal balance, physical activity, and emotional state.
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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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Related Experiment Video

Updated: Oct 18, 2025

Calculating Heart Rate Variability from ECG Data from Youth with Cerebral Palsy During Active Video Game Sessions
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Pulse Rate Variability Analysis Using Remote Photoplethysmography Signals.

Su-Gyeong Yu1, So-Eui Kim1, Na Hye Kim1

  • 1Department of AI & Informatics, Graduate School, Sangmyung University, Hongjimun 2-Gil 20, Jongno-Gu, Seoul 03016, Korea.

Sensors (Basel, Switzerland)
|September 28, 2021
PubMed
Summary
This summary is machine-generated.

Remote photoplethysmography (RPPG) can now measure pulse rate variability (PRV) continuously. This non-contact method provides PRV analysis comparable in quality to traditional contact PPG, offering a more comfortable health monitoring alternative.

Keywords:
cardiovascular systemcontact photoplethysmographyphotoplethysmographypulse rate variabilityremote photoplethysmography

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Area of Science:

  • Biomedical Engineering
  • Physiological Monitoring
  • Signal Processing

Background:

  • Pulse rate variability (PRV) assesses autonomic nervous system health using blood volume pulse (BVP) signals.
  • Contact photoplethysmography (CPPG) measures BVP but can be uncomfortable for users.
  • Existing non-contact remote photoplethysmography (RPPG) typically provides single pulse rates, limiting health indicator extraction.

Purpose of the Study:

  • To perform PRV analysis using lab-based RPPG capable of continuous BVP signal acquisition.
  • To validate the quality of PRV analysis derived from RPPG against CPPG.
  • To explore RPPG as a viable non-contact alternative for comprehensive physiological monitoring.

Main Methods:

  • Acquisition of continuous BVP signals using lab-based RPPG technology.
  • Simultaneous measurement of BVP using contact PPG (CPPG) for comparison.
  • Analysis of temporal and frequency domain parameters of PRV from both RPPG and CPPG signals.

Main Results:

  • Continuous BVP signals were successfully extracted using lab-based RPPG.
  • Temporal and frequency parameters of PRV derived from RPPG and CPPG showed high similarity.
  • PRV analysis from RPPG and CPPG demonstrated strong correlation, with coefficients ranging from 0.98 to 1.0.

Conclusions:

  • Lab-based RPPG technology can yield continuous BVP signals suitable for PRV analysis.
  • RPPG offers a non-contact method for PRV assessment with comparable quality to CPPG.
  • RPPG presents a promising, user-friendly alternative for monitoring autonomic nervous system health.