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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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Enhanced premature ventricular contraction pulse detection and classification using deep convolutional neural

Remya Raj1, Ushus S Kumar2, Vivek Maik3

  • 1Department of Biomedical Engineering, SRM Institute of Science and Technology, Ramapuram, Chennai, India. remyar1@srmist.edu.in.

Physical and Engineering Sciences in Medicine
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Summary

This study introduces a deep convolutional neural network (CNN) for detecting fetal cardiac arrhythmia using photoplethysmography (PPG) and arterial blood pressure (ABP) signals. The novel method achieves high accuracy in classifying premature ventricular contractions (PMVCs).

Keywords:
Arterial blood pressure (ABP)Convolutional neural network (CNN)Low-rank optimizationPhotoplethysmography (PPG)Premature ventricular contraction (PMVC)Wavelet transform

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Area of Science:

  • Biomedical Engineering
  • Cardiology
  • Artificial Intelligence in Medicine

Background:

  • Accurate monitoring systems are crucial for preventing cardiac disorders.
  • Fetal cardiac arrhythmia, specifically premature ventricular contractions (PMVCs), requires precise detection methods.

Purpose of the Study:

  • To develop and evaluate a deep convolutional neural network (CNN) for classifying fetal cardiac arrhythmia (PMVCs).
  • To utilize photoplethysmography (PPG) and arterial blood pressure (ABP) signals for enhanced detection accuracy.

Main Methods:

  • A deep convolutional neural network (CNN) architecture was employed.
  • Transfer learning was utilized, with weights from the Icentia 11k ECG dataset.
  • The CNN was fine-tuned for improved classification of PMVCs using PPG and ABP data.

Main Results:

  • The proposed CNN method demonstrated high accuracy in detecting and classifying PMVCs.
  • Classification accuracy for Normal, P1, and P2 types of PMVCs reached 99.9%, 99.8%, and 99.5%, respectively.

Conclusions:

  • The developed CNN framework effectively detects and classifies fetal cardiac arrhythmia (PMVCs).
  • The integration of PPG and ABP signals with CNNs offers a promising approach for non-invasive fetal cardiac monitoring.