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Utility of a Smartphone Based System (cvrPhone) to Predict Short-term Arrhythmia Susceptibility.

ABSTRACT: Repolarization alternans (RA) has been implicated in the pathogenesis of ventricular arrhythmias and sudden cardiac death. We developed a 12-lead, blue-tooth/Smart-Phone (Android) based electrocardiogram (ECG) acquisition and monitoring system (cvrPhone), and an application to estimate RA, in real-time. In in-vivo swine studies (N?=?17), 12-lead ECG signals were recorded at baseline and following coronary artery occlusion. RA was estimated using the Fast Fourier Transform (FFT) method using a custom developed algorithm in JAVA. Underlying ischemia was detected using a custom developed ischemic index. RA from each lead showed a significant (p?

SUBMITTER: Sohn K 

PROVIDER: S-EPMC6787075 | biostudies-literature | 2019 Oct

REPOSITORIES: biostudies-literature

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Utility of a Smartphone Based System (cvrPhone) to Predict Short-term Arrhythmia Susceptibility.

Sohn Kwanghyun K   Dalvin Steven P SP   Merchant Faisal M FM   Kulkarni Kanchan K   Sana Furrukh F   Abohashem Shady S   Singh Jagmeet P JP   Heist E Kevin EK   Owen Chris C   Isselbacher Eric M EM   Armoundas Antonis A AA  

Scientific reports 20191010 1

Repolarization alternans (RA) has been implicated in the pathogenesis of ventricular arrhythmias and sudden cardiac death. We developed a 12-lead, blue-tooth/Smart-Phone (Android) based electrocardiogram (ECG) acquisition and monitoring system (cvrPhone), and an application to estimate RA, in real-time. In in-vivo swine studies (N = 17), 12-lead ECG signals were recorded at baseline and following coronary artery occlusion. RA was estimated using the Fast Fourier Transform (FFT) method using a cu  ...[more]

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