Key result
CARDIF framework demonstrates comparable signal fidelity to standard 12-channel ECG systems.
Why the study?
Most existing multi-channel ECG acquisition systems are not accessible in resource-constrained settings, motivating development of a new cardiac signal recording framework.
Does the CARDIF system provide comparable ECG signal quality and HRV statistics to a standard clinical grade 12-channel ECG system?
Does the CARDIF system provide comparable ECG signal quality and HRV statistics to a standard clinical grade 12-channel ECG system?
The proposed CARDIF system offers a promising, resource-efficient framework for real-time ECG acquisition and HRV analysis that warrants further clinical validation.
Promising CARDIF fidelity supports further development; leaves open clinical equivalence to standard 12-lead ECG.
Due to recent developments in technology, there is a significant growth in healthcare monitoring systems. The most widely monitored human physiological parameters is electrocardiogram (ECG) which is useful for inferring the physiological state of humans. Most of the existing multi-channel ECG acquisition systems were not accessible in resource-constrained settings. This research study proposes a cardiac signal recording framework (CARDIF) using a reconfigurable input-output real-time embedded processor by employing a virtual instrumentation platform. The signal acquisition was configured using Lab VIEW virtual instrumentation block sets. A graphical user interface (GUI) was developed for real-time data acquisition and visualization. The time domain heart rate variability (HRV) statistics were calculated using CARDIF, and the same were compared with a clinical grade 12-channel ECG system. The quality of the acquired signals obtained from the proposed and standard systems was measured and compared by calculating signal-to-noise ratio (SNR). The proposed CARDIF was evaluated qualitatively by visual inspection by a clinician and quantitatively by fidelity measures and vital parameters estimation. The results are quite promising and can be extended for clinical validations.
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Arun et al. (2019) studied this question. Cardiac signals recording framework (CARDIF) vs. Clinical grade 12-channel ECG system was evaluated on Time domain heart rate variability (HRV) statistics and signal-to-noise ratio (SNR). The proposed cardiac signal recording framework (CARDIF) showed promising results in qualitative visual inspection and quantitative fidelity measures compared to a standard 12-channel ECG system.
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