Key result
Electrocardiographic imaging feasibly measures novel repolarization parameters, revealing steep gradients in regions with flat electrograms.
Why the study?
Measuring repolarization characteristics is challenging, and the potential of novel repolarization parameters in ECGI for arrhythmic risk stratification warranted exploration.
Does the use of novel repolarization parameters in electrocardiographic imaging uncover arrhythmogenic substrate in IVF patients?
Observational (n=8)
Does the use of novel repolarization parameters in electrocardiographic imaging uncover arrhythmogenic substrate in IVF patients?
Measuring novel repolarization parameters using ECGI is feasible, fully automated, and may help identify arrhythmogenic substrates for risk stratification.
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Hypothesis-generating for repolarization imaging in IVF substrate detection; larger prospective studies needed before clinical adoption.
Blom et al. (2020) conducted an observational in Idiopathic ventricular fibrillation (IVF) (n=8). Electrocardiographic imaging (ECGI) repolarization parameters was evaluated on Feasibility of measuring novel repolarization parameters (Repolarization time, T-wave area, Tpeak-Tend interval, and T-wave alternans). Measuring novel repolarization parameters using electrocardiographic imaging was feasible in 8 subjects, revealing steep repolarization time gradients in regions with flat electrograms.
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