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electronic fetal monitor, EFM
An instrument which allows observations of the fetal heart rate and the maternal uterine contractions.

It may be applied externally or internally.

With an external monitor, the fetal heart is detected by an ultrasound transducer positioned on the abdomen.

Internal monitoring of the fetal heart rate is accomplished with an electrode clipped to the fetal scalp.

This entry is located in the following unit: electro-, electr-, electri- (page 63)
electronic fetal monitoring, EFM
1. The use of an electronic device to monitor the vital signs of the fetus or unborn child.
2. An instrument that allows the observation of the fetal heart rates and the maternal uterine contractions which may be applied externally or internally.

With an external monitor, the fetal heart is detected by an ultrasound transducer positioned on the abdomen.

Internal monitoring of the fetal heart rate is accomplished by way of an electrode clipped to the fetal scalp.

This entry is located in the following units: electro-, electr-, electri- (page 63) -tron, -tronic, -tronics + (page 9)