Electrocardiologic device for the assisted diagnosis of brugada syndrome or early repolarization syndrome
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United States of America Patent
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Feb 14, 2012
Grant Date -
May 28, 2009
app pub date -
Oct 21, 2008
filing date -
Oct 24, 2007
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Electrocardiologic device for assisted diagnosis, preferably for the diagnosis of Brugada syndrome or Early Repolarization syndrome. This device allows characterizing the ventricular repolarization wave of an ECG signal collected from a patient. Extracting out of the ECG signal, for each heart beat, an ST segment is constituted of a succession of samples of the ventricular repolarization wave, taken within a time window ([Q.sub.ON+80 ms, Q.sub.ON+140 ms]) of a predetermined duration spreading from a moment of window onset defined by a time offset applied to a predetermined temporal origin given by the moment (Q.sub.ON) of appearance of the QRS complex, whose time position is determined on the ECG signal for each heart beat. Quantizing computes an elevation index compared to a predetermined reference level (BL), and analyzing over a succession of heart beats the persistence and/or variation of this elevation index.
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