Method and system for improved measurement of t-wave alternative

A technique of alternating measurements, even numbers, used in cardiology
CN100457025CActive Publication Date: 2009-02-04GE MEDICAL SYST INFORMATION TECH
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
GE MEDICAL SYST INFORMATION TECH
Publication Date
2009-02-04

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Abstract

Methods and systems for improved measurement of T-wave alternation in ECG signals are disclosed. The method and system includes receiving digitized ECG data (302) comprising a plurality of alternating consecutive odd and even beats, calculating (304) a variability for at least one of the odd or even beats and, according to a process of exclusion, dividing certain beats from T Wave alternation measurements are excluded (310).
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Description

technical field

[0001] The field of the invention relates to cardiology. More specifically, the present invention relates to systems and methods for improving T-wave alternation by excluding certain beats from calculations. Background technique

[0002] Electrical alternation is the difference in the electrical potential at corresponding points between alternating heartbeats. T-wave alternations are regular or beat-to-beat variations of the ST-segment or T-waves of the electrocardiogram (ECG) that repeat every beat and have been linked to underlying cardiac instability. Typically, by counting all consecutive heartbeats of a patient, a beat with an odd number is called an "odd beat" and a beat with an even number is called an "even beat". A patient's odd and even heartbeats will exhibit diagnostically different electrical characteristics that can be detected by ECG.

[0003] The presence of these electrical alternations is significant because patients who are generally at ...

Claims

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