Process for identification of an active site of ventricular tach

Details Process for identification of an active site of ventricular tach Process for identification of an active site of ventricular tach

1990-10-19

1992-10-13

Kamm, William E.

Surgery

Truss

Pad

128705, A61N 139

Patent

active

051545012

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.

REFERENCES:
patent: 4296755 (1981-10-01), Judell
patent: 4641649 (1987-02-01), Walinsky et al.
patent: 4643186 (1987-02-01), Rosen et al.
patent: 5000189 (1991-03-01), Throne et al.
patent: 5011483 (1991-04-01), Sleister

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