Abstract:The first recording of the fetal electrocardiogram was described 80 years ago. Since that time only the peak of the QRS complex has been used in fetal monitoring for the measurement of fetal heart rate. Attempts to quantify changes in the configuration and time constants have been attempted over the last 30 years but despite the data obtained from animal experiments suggesting configurational changes in relation to hypoxia, the problems of electrical noise and signal distortion have restricted the application … Show more
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