Fetal data processing system and method

Details Fetal data processing system and method Fetal data processing system and method

A - Human Necessities

61

B

A61B 5/024 (2006.01) A61B 5/0444 (2006.01) G06F 17/00 (2006.01)

Patent

CA 2200494

A fetal data processing system (10) and method and a fetal monitor and method for monitoring the condition of a fetus are disclosed. A fetal heart rate time series is received and sampled. A non-linear time-frequency transformation is performed to generate a time-frequency representation of the fetal heart rate time series for heart rate time series data spanning a time period which is preferably less than ten seconds. Analysis of fetal heart rate and fetal heart rate variability and other available data is performed to evaluate fetal well- being. Because of the high time resolution of the transformation, short-term transient variations in heart rate and heart rate variability are considered in the analysis.

Système de traitement d'informations (10) relatives au foetus, écran associé et procédé d'examen de l'état d'un foetus. On recueille et on échantillonne des séries temporelles de rythmes cardiaques du foetus, on effectue une transformation non linéaire temps/fréquence pour produire une représentation temps/fréquence desdites séries temporelles portant sur une durée de préférence inférieure à dix secondes. On procède à l'analyse du rythme cardiaque foetal, de sa variabilité, et des autres informations disponibles pour pouvoir apprécier l'état de santé du foetus. Du fait de la haute résolution temporelle de la transformation, on tient compte dans l'analyse des variations transitoires à court terme du rythme cardiaque et de sa variabilité.

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