Why the study?
Healthcare systems face challenges in early detection, portability, and mobility for patients with cardiac abnormalities, motivating a review of smartphone-based detection systems.
Smartphone-based ECG and PPG systems offer promising non-invasive, portable solutions for early detection of cardiac arrhythmias and abnormalities, though technological limitations must be addressed.
May enable portable arrhythmia monitoring; leaves open prospective validation trials to overcome processing and storage limits.
A number of resources, every year, being spent to tackle early detection of cardiac abnormalities which is one of the leading causes of deaths all over the Globe. The challenges for healthcare systems includes early detection, portability and mobility of patients. This paper presents a categorical review of smartphone-based systems that can detect cardiac abnormalities by the analysis of Electrocardiogram (ECG) and Photoplethysmography (PPG) and the limitation and challenges of these system. The ECG based systems can monitor, record and forward signals for analysis and an alarm can be triggered in case of abnormality, however the limitation of smart phone's processing capabilities, lack of storage and speed of network are major challenges. The systems based on PPG signals are non-invasive and provides mobility and portability. This study aims to critically review the existing systems, their limitation, challenges and possible improvements to serve as a reference for researchers and developers.
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Shabaan et al. (2020) studied this question.
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