Detection of the fetal ECG during labour by an intrauterine probe |
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| Institution: | 1. Rocky Mountain Mental Illness, Research, Education and Clinical Center (MIRECC) for Suicide Prevention, Rocky Mountain Regional VAMC, 1700 N. Wheeling Street, Building G3, Room 189, Aurora, CO 80045, USA;2. Strauss Health Sciences Library, University of Colorado Anschutz Medical Campus, 12950 E. Montview Blvd., MS A003, Aurora, CO 80045, USA;3. Departments of Psychiatry and Physical Medicine and Rehabilitation, University of Colorado Anschutz School of Medicine, 13001 E. 17th Place, Room C2000C, Aurora, CO 80045, USA;1. Department of Economics, University of Sussex, Jubilee Building, Brighton BN1 9SL, United Kingdom;2. Department of Economics, University of St. Gallen, Bodanstrasse 8, 9000 St. Gallen, Switzerland;3. CESifo, Munich, Germany;1. Division of Pharmacy, College of Pharmacy and Nutrition, University of Saskatchewan, Saskatoon, Saskatchewan, Canada;2. Department of Psychology, Trent University, Peterborough, Ontario, Canada;3. Department of Molecular Pharmacology and Physiology, University of South Florida, Tampa, FL, USA;4. Division of Neurology, Department of Medicine, University of Saskatchewan, Saskatoon, Saskatchewan, Canada |
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| Abstract: | The feasibility of detecting the fetal ECG (FECG) from within the uterus in labour by a technique which is non-invasive to the fetus, has been investigated. The design of a special multi-electrode flexible probe has demonstrated that the FECG can be obtained with signal amplitudes of 20–300 μV and a success rate similar to that of the scalp electrode. Under favourable conditions very large signals can be detected in utero compared to a scalp electrode, but average signal amplitudes are lower. The probe is suitable as a carrier for other sensors such as pressure and temperature transducers. Currently, simultaneous FECG and intrauterine pressure measurement using a commercially available transducer within the same probe has been achieved. |
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