Analysis of cardiac fibrillation using phase mapping

Cardiac Electrophysiology Clinics
Richard H Clayton, Martyn P Nash

Abstract

The sequence of myocardial electrical activation during fibrillation is complex and changes with each cycle. Phase analysis represents the electrical activation-recovery process as an angle. Lines of equal phase converge at a phase singularity at the center of rotation of a reentrant wave, and the identification of reentry and tracking of reentrant wavefronts can be automated. We examine the basic ideas behind phase analysis. With the exciting prospect of using phase analysis of atrial electrograms to guide ablation in the human heart, we highlight several recent developments in preprocessing electrograms so that phase can be estimated reliably.

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Citations

Dec 7, 2016·Annals of Biomedical Engineering·Caroline H RoneyNicholas S Peters
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Nov 15, 2019·Scientific Reports·Xinyang LiFu Siong Ng
Mar 17, 2018·Annals of Biomedical Engineering·Jinny RobsonVisakan Kadirkamanathan

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