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Updated: Aug 31, 2025

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Published on: May 23, 2021
A review of arrhythmia detection based on electrocardiogram with artificial intelligence
Jinlei Liu1, Zhiyuan Li1, Yanrui Jin1
1School of Mechanical Engineering, Shanghai Jiao Tong University, Shanghai, China.
Artificial intelligence (AI) enhances electrocardiogram (ECG) analysis for arrhythmia detection. AI algorithms improve diagnostic accuracy and enable early screening through smart ECG devices, aiding physicians and patients.
Area of Science:
- Cardiology
- Biomedical Engineering
- Artificial Intelligence
Background:
- Portable electrocardiogram (ECG) devices are increasing ECG diagnoses.
- Traditional computer-aided arrhythmia diagnosis faces limitations in data quality and expert knowledge.
- Artificial intelligence (AI) offers potential for high-precision arrhythmia diagnosis and early screening.
Purpose of the Study:
- To describe AI applications in arrhythmia detection.
- To summarize the advantages and limitations of various AI approaches.
- To provide guidance for future AI research in arrhythmia detection.
Main Methods:
- Machine learning (ML) and deep learning (DL) for ECG signal processing.
- DL for automatic feature extraction and classification of ECG signals.
- AI integration into smart ECG devices for screening.
Main Results:
- AI methods effectively address ECG signal denoising, quality assessment, and wave delineation.
- DL algorithms automatically learn features for accurate heartbeat and rhythm classification.
- AI-powered systems can significantly reduce physician workload in ECG analysis.
Conclusions:
- AI, particularly ML and DL, shows significant promise in advancing arrhythmia detection.
- AI integration into devices facilitates widespread early arrhythmia screening.
- Further research into AI methods will refine diagnostic accuracy and efficiency.
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