Electrocardiographic imaging (ECGI): a new noninvasive imaging modality for cardiac electrophysiology and arrhythmia

Yoram Rudy

doi:10.1117/12.627964

8 March 2006 Electrocardiographic imaging (ECGI): a new noninvasive imaging modality for cardiac electrophysiology and arrhythmia

Yoram Rudy

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Proceedings Volume 6143, Medical Imaging 2006: Physiology, Function, and Structure from Medical Images; 614306 (2006) https://doi.org/10.1117/12.627964
Event: Medical Imaging, 2006, San Diego, California, United States

Abstract

Cardiac arrhythmias are a major cause of death (7 million cases annually worldwide; 400,000 in the U.S. alone) and disability. Yet, a noninvasive imaging modality to identify patients at risk, provide accurate diagnosis and guide therapy is not yet available in clinical practice. In my conference presentation and proceedings article, I will describe examples of the application of Electrocardiographic Imaging (ECGI) in humans. ECGI is a new noninvasive imaging modality for cardiac arrhythmias developed in our laboratory. It combines recordings of 224 body-surface electrocardiograms and a thoracic CT scan to reconstruct potentials, electrograms and isochrones (activation sequences) on the heart surface. Examples include: (1) normal activation and repolarization; (2) activation during ventricular pacing; and (3) atrial flutter.

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Yoram Rudy "Electrocardiographic imaging (ECGI): a new noninvasive imaging modality for cardiac electrophysiology and arrhythmia", Proc. SPIE 6143, Medical Imaging 2006: Physiology, Function, and Structure from Medical Images, 614306 (8 March 2006); https://doi.org/10.1117/12.627964

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KEYWORDS

Heart

Computed tomography

Electrophysiology

Wavefronts

Electrocardiography

Wave propagation

Action potentials

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