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Updated: May 16, 2026

Instrumentation of Near-term Fetal Sheep for Multivariate Chronic Non-anesthetized Recordings
Published on: October 25, 2015
[Silent cardiotocogram during general anesthesia. Indication for emergency Cesarean section?]
1Klinik für Anästhesiologie und operative Intensivmedizin, Klinikum Kulmbach, Albert-Schweitzer-Str. 10, 95326 Kulmbach, Deutschland. bock@klinikum-kulmbach.de
This case report of a silent cardiotocogram (CTG) registration during general anesthesia in a 33-week-pregnant patient undergoing non-obstetric surgery demonstrates the possibility of misinterpretation whereby typical CTG patterns of fetal reactions to anesthetics can be misinterpreted as fetal hypoxia or even asphyxia.
This case report of a silent cardiotocogram (CTG) registration during general anesthesia in a 33-week-pregnant patient undergoing non-obstetric surgery demonstrates the possibility of misinterpretation whereby typical CTG patterns of fetal reactions to anesthetics can be misinterpreted as fetal hypoxia or even asphyxia.
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