Method and system of automated hemodynamical detection of arrhythmias
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United States of America Patent
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Issued Date -
Oct 25, 2001
app pub date -
Feb 5, 2001
filing date -
Feb 9, 2000
priority date (Note) -
Abandoned
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Abstract
A method for automated detection of arrhythmias in a patient is disclosed, said method comprising: obtaining continuous pressure data from a cardiac chamber of said patient; segmenting said pressure data to correspond to beat segments; extracting features from each of said beat segments with respect to a predetermined number of earlier beat segments, said features relating to at least some of the criteria selected from: beat-to-beat change in the duration of said beat segments, beat-to-beat change in the peak to-peak amplitude of said beat segments, beat-to-boat change in heart rate of said patient and change in value and instance in time of max dP/dt, where P is pressure and t is time; and classifying each of said beat segments as ectopic or normal, wherein ectopic beat is determined using a set of predetermined rules aimed at detecting abnormality in features of each of said beat segments with reference to predetermined thresholds.
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