Method for detecting and controlling endless loop tachycardias of a heart being controlled by a cardiac pulse generator
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United States of America Patent
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Dec 1, 1992
Grant Date -
N/A
app pub date -
Dec 7, 1990
filing date -
Oct 24, 1990
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method for detecting and controllig endless loop tachycardia (ELT) of a heart being controlled by a cardiac pulse generator. A measurement is made of the VP time interval over eight cycles and of its maximum deviation which is compared with two threshold values. A modulation is applied to the atrio-ventricular delay and the following VP time interval is measured during the ninth cycle. The variation of the VP time interval is compared with the threshold values for determining whether one is dealing with an ELT or with a sinus rhythm.
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