Method and apparatus for determining by radiation detection the condition and functioning of a body undergoing test and a novel ejection fraction meter
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United States of America Patent
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Aug 3, 1999
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app pub date -
Mar 18, 1998
filing date -
Mar 18, 1998
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Abstract
Counting rate measurements from radiation detectors are averaged and an index of the condition of a body, e.g. cardiac function of a patient by ejection fraction, is approximated as an inverse function of measurement averages, based on standard statistical deviation, to provide a continuous, real time evaluation of the condition, e.g. cardiac function. In the case of a patient, other patient measurement parameters establish limits within which the index of the condition, e.g. ejection fraction, approximations have acceptable accuracy.
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