PMID: 9633070Jun 20, 1998Paper

Electroanatomical mapping of the heart: basic concepts and implications for the treatment of cardiac arrhythmias

Pacing and Clinical Electrophysiology : PACE
L Gepstein, S J Evans

Abstract

The CARTO electroanatomical mapping system represents a paradigm shift in the ability to map the three-dimensional anatomy of the heart and determine the cardiac electrical activity at any given mapped point. The system associates anatomical structure and electrophysiological data and displays the combined information in an easily readable, visual fashion. The system consists of a roving mapping catheter with small magnetic sensors in the tip, a fixed sensor that acts as a reference point, a low magnetic field generating pad, and a data acquisition and display system. When the roving catheter is moved in three-dimensional space, its location in relation to the fixed sensor is monitored by the system, with a resolution of < 1 mm. By gating the acquisition of points in space to the cardiac electrical activity, points that represent both location and electrical activity at that location can be acquired and displayed on a computer screen. After acquiring a number of points, a three-dimensional representation is constructed, and may be displayed from any viewing projection. Clinical applications of the system include defining the mechanisms of arrhythmias, designing ablation strategies, guiding ablations, and improving the safety of...Continue Reading

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Citations

Feb 18, 2005·Journal of Interventional Cardiac Electrophysiology : an International Journal of Arrhythmias and Pacing·David KrumJasbir Sra
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