Research ArticleCARDIAC IMAGING

Noninvasive localization of cardiac arrhythmias using electromechanical wave imaging

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Science Translational Medicine  25 Mar 2020:
Vol. 12, Issue 536, eaax6111
DOI: 10.1126/scitranslmed.aax6111

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Accurately mapping arrhythmias

Identifying the site to ablate in the heart to correct irregular heartbeat (cardiac arrhythmia) can be difficult and often requires invasive electrophysiology studies. Grubb et al. used a form of noninvasive ultrasound called electromechanical wave imaging (EWI) to generate maps of the heart, identifying the sites of arrhythmias in 55 patients with cardiovascular disease in a double-blinded study. EWI outperformed standard 12-lead electrocardiogram in localizing atrial and ventricular arrhythmias, suggesting that the addition of this imaging method to clinical workflows could help improve decision-making and treatment planning.

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