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Abstract
The risk of heart attack or myocardial infarction (MI) may lead to serious consequences in mortality and morbidity. Current MI management in the triage includes non-invasive heart monitoring using an electrocardiogram (ECG) and the cardic biomarker test. This study is designed to explore the potential of photoplethysmography (PPG) as a simple non-invasive device as an alternative method to screen the MI subjects. This study emphasises the usage of second derivative photoplethysmography (SDPPG) intervals as the extracted features to classify the MI subjects. The statistical analysis shows the potential of “a-c” interval and the corrected “a-cC” interval to classify the subject. The sensitivity of the predicted model using “a-c” and “a-cC” is 90.6% and 81.2% and the specificity is 87.5% and 84.4%, respectively.
Disclosure statement
The authors report no conflicts of interest. The authors alone are responsible for the content and writing of the paper.
Funding information
The research was supported by the University of Kebangsaan Malaysia under the Research University Grant: Science Fund (06-01-02-SF0941) and DLP-032-2013.