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Research Article | Volume 13 Issue:1 (, 2023) | Pages 199 - 205
Comparison of ECG Morphological Parameters between a Mobile 12 Lead ECG Compared To the Gold Standard 12 Lead ECG in Cardiology Patients
Under a Creative Commons license
Open Access
DOI : 10.5083/ejcm
Published
Feb. 1, 2023
Abstract

Background: Interval duration measurements (IDMs) were compared between standard 12-lead electrocardiograms (ECGs) and 12 lead mobile ECG recorded with Spadnan ECG based ECG device, a single channel, hand-held mobile device designed for use by patients at home. Objective: Objective of this prospective, cross-sectional, within patient diagnostic validation study was to compare the interval durations between standard 12 lead ECG and 12 lead mobile ECG recorded with Spadnan ECG based single channel ECG device. Materials and Methods: This single-center study was carried out at Shri Mahant Indresh Hospital (SMIH), Dehradun, Uttarakhand, India from January 2019 to August 2022. All patients (n=2308) visiting the electrocardiogram (ECG) room at the Department of Cardiology of the SMIH, Dehradun during the study period were enrolled in the study by taking their written consent and explaining the purpose of the study. Results: Smartphone-operated 12 lead ECGs showed good diagnostic accuracy for QT, PR, QRS, QTc and Heart rate measurement in comparison to the standard 12 lead ECG machine. The PR interval, QRS duration and Heart rate were under the clinical agreement levels. Whereas, the QT and QTc showed the variability of more than 20 ms. hence, the detection of the Arrhythmias associated with shorten PR intervals, prolonged PR intervals can be detected by the Smartphone ECG with accuracy, the conduction blockages like LBBB involving the QRS duration can be precisely be detected by the smartphone ECG. Conclusion: Our research evidence proved the equivalency of device in measuring the morphological parameters like PR intervals and QRS duration. Our study observed variation in detection of the QT and QTc intervals at above 25 ms, which might make it difficult to be used in diagnosis but for general purpose where no medical facility is available, our device can be used for primary care. Hence, the Smartphone ECGs can be used in the primary care and for general use

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