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首页> 外文会议>IEEE Conference on Biomedical Engineering and Sciences >Extracting features similar to QT interval from second derivatives of photoplethysmography: A feasibility study
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Extracting features similar to QT interval from second derivatives of photoplethysmography: A feasibility study

机译：从光增读数的第二衍生物中提取类似于Qt间隔的特征：可行性研究

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Electrocardiography (ECG) is the most reliable tool to measure the heart electrical activity. It is noted that the setting and measurement procedure of ECG are always complex and time consuming. This complexity has motivated us to extract the important ECG features using photoplethysmography (PPG). The aim of this paper is to study the feasibility of extracting feature similar to ECG QT interval using second derivatives PPG (SDPPG). A pilot study has been conducted using simultaneous data acquisition system to acquire PPG and ECG signals. Five healthy subjects have been participated in this study. A signal processing algorithm has been developed to extract the feature that is similar to ECG QT interval. In this work, the feature refers to AB index, which is the interval of the SDPPG that has been illustrated in Figure 6. The paired T-test shows that there is no significant difference between QT interval using ECG and AB index extracted from second derivatives PPG (p<0.05).
机译：心电图（ECG）是最可靠的衡量心脏活动的工具。 注意，ECG的设置和测量过程始终复杂且耗时。 这种复杂性具有激励利用光学仪描记法（PPG）提取重要的心电图特征。 本文的目的是使用第二衍生物PPG（SDPPG）研究类似于ECG QT间隔的提取特征的可行性。 使用同时数据采集系统进行了试验研究以获取PPG和ECG信号。 这项研究已经参加了五个健康的科目。 已经开发了一种信号处理算法来提取类似于ECG QT间隔的特征。 在这项工作中，该特征是指AB索引，其是图6中所示的SDPPG的间隔。该配对T检验显示使用ECG和AB指数从第二衍生物提取的Qt间隔之间没有显着差异 PPG（P <0.05）。

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