Non-invasive monitoring and treatment of subjects in cardiac arrest using ECG parameters predictive of outcome
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United States of America Patent
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Nov 5, 1996
Grant Date -
N/A
app pub date -
Aug 30, 1994
filing date -
Aug 30, 1994
priority date (Note) -
Expired
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Abstract
A method and apparatus for determining the metabolic state of the myocardium of a subject in ventricular fibrillation or asystole and/or for guiding therapeutic interventions. Electrocardiogram signals of the subject's heart are transformed to a frequency domain power spectrum, and at least one frequency parameter is monitored and processed to a value predictive of a clinically relevant cardiac arrest outcome. In the preferred embodiment, centroid frequency and/or peak power frequency of the power spectrum are monitored.
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