Why the study?
Does noninvasive ECG imaging (ECGi) detect spatial heterogeneities in repolarization and depolarization during exercise in sudden cardiac death survivors with structurally normal hearts compared to standard ECG?
Does noninvasive ECG imaging (ECGi) detect spatial heterogeneities in repolarization and depolarization during exercise in sudden cardiac death survivors with structurally normal hearts compared to standard ECG?
Noninvasive ECG imaging can detect increased dispersion of repolarization during physiological stress in sudden cardiac death survivors with structurally normal hearts, identifying an electrophysiological substrate missed by standard ECG.
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ECGi may identify exertional repolarization dispersion missed by standard ECG in SCD survivors; hypothesis-generating for risk stratification.
Leong et al. (2017) studied this question.
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