Process for identification of an active site of ventricular tachycardia and for electrode attachment of an endocardial defibrilator
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United States of America Patent
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Oct 13, 1992
Grant Date -
N/A
app pub date -
Oct 19, 1990
filing date -
Oct 19, 1990
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An electrophysiologically guided arrhythmia ablation system for ventricular tachycardia or other arrhythmias. The system includes recording the electrical activation time of various parts of the heart for locating the active site of the arrhythmia. The system has the capability of processing local myocardial electrical activation data. The process includes identification of an active site which occurs during the 20-80%, preferably 35-50%, time period of a diastolic interval. The diastolic interval is monitored by appropriate electrical connections between the heart and a monitor. A mapping device connects to the monitor which maps for indicating an active site. The active site is then a site for preferred placement of an electrode for a defibrilator.
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