ECG data analysis to determine ST-segment elevation myocardial infarction and infarction territory type: an

Jongkwang Kim1, Byungeun Shon2, Sangwook Kim3

  • 1Department of Medical Informatics, School of Medicine, Kyungpook National University, Daegu, Republic of Korea.

Frontiers in Physiology
|October 22, 2024
PubMed

Insights

This study introduces an AI algorithm for diagnosing ST-segment elevation myocardial infarction (STEMI) using 12-lead ECG data. The AI accurately detects STEMI and differentiates infarction areas, improving cardiovascular disease diagnosis.

Area of Science:

  • Cardiology
  • Artificial Intelligence
  • Medical Diagnostics

Background:

  • Acute coronary syndrome (ACS), particularly ST-segment elevation myocardial infarction (STEMI), poses a significant global health threat with high mortality rates.
  • Accurate and timely diagnosis of STEMI is critical for effective patient treatment and improved outcomes.

Purpose of the Study:

  • To develop and validate a deep learning-based artificial intelligence (AI) algorithm for the accurate diagnosis of STEMI using 12-lead electrocardiogram (ECG) data.
  • To enable detailed categorization of infarction areas within the heart using AI analysis of ECG signals.

Main Methods:

  • An AI model was trained and validated using an ECG database of 888 myocardial infarction (MI) patients.
  • Five-fold cross-validation was employed to enhance the model's generalization capabilities.
  • A specialized ST-segment elevation (STE) detector was developed to identify STE across all 12 ECG leads, crucial for STEMI diagnosis.

Main Results:

  • The AI model demonstrated high performance in differentiating STEMI from non-ST-segment elevation myocardial infarction (NSTEMI), achieving an average area under the receiver operating characteristic curve (AUROC) of 0.939 and an area under the precision-recall curve (AUPRC) of 0.977.
  • The developed STE detector accurately identified STEMI indicators across all 12 ECG leads.
  • The AI model successfully differentiated various myocardial infarction territories, including anterior, inferior, and lateral MI, as well as suspected left main disease.

Conclusions:

  • Integrating AI technology with clinical expertise in ECG analysis offers a powerful approach for rapid STEMI diagnosis and treatment.
  • This AI-driven method enhances the diagnostic accuracy for cardiovascular diseases and holds significant potential for clinical application.
  • The study highlights the importance of AI in improving the prognosis of STEMI patients through timely and precise diagnosis.
Abstract

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