模拟和数字高频心电图的等价性:验证Sydäntek用于缺血检测
Aishwarya Srinivasan1, K Vijayalakshmi2, Sathish Kumar3
1Department of Electronics and Communication Engineering, BMS College of Engineering, Bengaluru, India. aishu.s.255@gmail.com.
Physical and engineering sciences in medicine
|December 29, 2025
概括
高频心电图 (HF-ECG) 数字系统可以与缺血检测的模拟标准相匹配. 这里是Sydäntektek.
科学领域:
- 生物医学工程 生物医学工程
- 心脏病学 心脏病学
- 信号处理 信号处理
背景情况:
- 高频心电图 (HF-ECG) 通过分析微伏级QRS复杂变化,可以更好地检测心脏缺血.
- 数字HF-ECG系统与已建立的模拟标准进行临床验证对于更广泛的采用至关重要.
- 现有的模拟系统需要严格的比较,以确保数字对应器符合诊断准确性要求.
研究的目的:
- 为了验证新型数字HF-ECG系统 (Sydäntek) 与传统模拟参考系统的性能.
- 评估数字HF-ECG信号采集和处理用于缺血检测的可靠性.
- 为了确定可穿戴,云集成的数字HF-ECG解决方案的临床适用性.
主要方法:
- 同时记录来自12名健康受试者的HF-ECG信号,使用五级模拟系统和Sydäntek的电容传感器.
- 使用德克萨斯仪器ADS1298进行模拟和数字信号的数字化,然后进行10×放大.
- 使用布兰德-阿尔特曼分析对信号特征 (RMS,振幅,Kurtosis,频率) 的比较分析,以模拟系统为参考.
主要成果:
- 对于RMS,振幅,曲率和频率,Sydäntek和模拟系统之间的平均差异在95%的协议范围内.
- 关键性能指标在适当缩放时,在5%的临床耐受性范围内表现出一致.
- 西丹特克的频率峰值接近150赫兹,与模拟系统相美,表明同等的保真度.
结论:
- 西丹特克数字HF-ECG系统的性能相当于关键诊断指标的模拟标准.
- 该系统的可穿戴设计和云集成为缺血检测提供了一个便携式和可靠的替代方案.
- 数字HF-ECG技术显示出在心血管诊断中更广泛的临床应用的巨大潜力.
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