Ultra-High-Definition Mapping of Atrial Arrhythmias

The advantages of ultra-high-definition (UHD) mapping are presented in the context of different atrial arrhythmias, whether focal or macroreentrant. Not only are these sophisticated systems time-saving, but they also allow accurate identification of the substrate (scar quantification), as well as a...

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Bibliographic Details
Published in:Circulation Journal 2016/02/25, Vol.80(3), pp.579-586
Main Authors: Bun, Sok-Sithikun, Latcu, Decebal Gabriel, Delassi, Tahar, Jamili, Mohammed El, Amoura, Alaa Al, Saoudi, Nadir
Format: Article
Language:English
Subjects:
Activation mapping
Arrhythmias, Cardiac - physiopathology
Atrial tachycardia
Heart Conduction System - physiopathology
Humans
Ultra-high-definition mapping
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Summary:The advantages of ultra-high-definition (UHD) mapping are presented in the context of different atrial arrhythmias, whether focal or macroreentrant. Not only are these sophisticated systems time-saving, but they also allow accurate identification of the substrate (scar quantification), as well as a more precise characterization of the critical isthmuses or focal sources of the atrial circuits. UHD mapping may become a standard approach for their curative treatment. This new technology allows automatic acquisition and accurate annotation of the electrograms, without the need for manual correction. Owing to better resolution, critical isthmuses and low-voltage regions of interest may now be successfully targeted without the need for entrainment maneuvers. Finally, the system also allows rapid assessment of the completeness of the lesions once delivered. (Circ J 2016; 80: 579–586)
ISSN:1346-9843
1347-4820
DOI:10.1253/circj.CJ-16-0016