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Arrhythmia is a condition characterized by an irregular heart rhythm, with ECG changes that differ based on its origin and nature. The types of arrhythmias discussed below include atrial, junctional, and ventricular arrhythmias.Atrial ArrhythmiasPremature Atrial Complexes (PACs): PACs are early atrial beats caused by stress, caffeine, alcohol, electrolyte imbalances, hypoxia, hyperthyroidism, or certain medications (e.g., bronchodilators and decongestants). The ECG shows early P waves with an...
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Methods for ECG Evaluation of Indicators of Cardiac Risk, and Susceptibility to Aconitine-induced Arrhythmias in Rats Following Status Epilepticus
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ECG and PPG Signals-Based Premature Ventricular Contraction Detection Methods: A Review, Key Challenges, and Future

Shailesh Mohine1, Nabasmita Phukan1, M Sabarimalai Manikandan2

  • 1Department of Electrical Engineering, Indian Institute of Technology Indore, Indore, Madhya Pradesh, 453552, India.

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Summary

This review covers automated methods for detecting premature ventricular contractions (PVCs) using electrocardiogram (ECG) and photoplethysmogram (PPG) signals. It highlights challenges and future directions for accurate arrhythmia detection in long-term monitoring.

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Cardiac life threatening arrhythmiasDeep learning networksECG beat classificationElectrocardiogram (ECG)Photoplethysmography (PPG)Premature ventricular contraction

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Area of Science:

  • Cardiology
  • Biomedical Engineering
  • Signal Processing

Background:

  • Premature ventricular contractions (PVCs) are common arrhythmias requiring timely detection for cardiovascular event prevention and reduced clinical workload.
  • Automated detection of PVCs from electrocardiogram (ECG) and photoplethysmogram (PPG) signals is essential for effective long-term cardiac monitoring.

Purpose of the Study:

  • To review state-of-the-art methods for PVC detection using ECG and PPG signals.
  • To categorize existing methods into threshold-based, traditional machine learning, and deep learning approaches.
  • To discuss signal databases, performance metrics, preprocessing techniques, challenges, and future directions in PVC detection.

Main Methods:

  • Review of signal processing, traditional machine learning, and deep learning techniques for PVC detection.
  • Categorization of methods into heuristic-based, conventional machine learning, and deep learning frameworks.
  • Overview of ECG and PPG signal databases and performance evaluation metrics.

Main Results:

  • Existing PVC detection methods are categorized, with a focus on R-peak and systolic peak detection preprocessing.
  • Various preprocessing techniques for ECG and PPG signals are reviewed.
  • Performance and contributions of current methods are analyzed.

Conclusions:

  • Accurate PVC detection faces challenges from noise in ambulatory and exercise conditions.
  • Future research should address resource constraints for wearable long-term monitoring devices.
  • Advancements in deep learning and signal processing are crucial for improving PVC detection accuracy and reliability.