Heart stimulating device
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United States of America Patent
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Nov 17, 1998
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N/A
app pub date -
Oct 20, 1997
filing date -
Oct 21, 1996
priority date (Note) -
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Abstract
A heart stimulating device for avoiding problems related to fusion beats contains a pulse generator for delivering stimulation pulses to a patient's heart and having a basic escape interval, a detector with a filter which senses QRS characteristics in IEGM signals, a logic stage which controls the pulse generator, and a detector without a filter which senses QRS characteristics in IEGM signals. The logic stage activates the detector without a filter preceding an end of the basic escape interval and prolongs the basic escape interval by a predetermined extension interval if the detector without a filter senses a QRS indication.
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