Revision C 250cx Series Maternal/Fetal Monitor B-3
2036946-001
Fetal Movement Detection: Introduction
Introduction
Availability
Fetal movement detection is an option which can be installed in your 250cx Series
Monitor to function with the US channel. Contact your Sales Representative for
information.
Methodology
Fetal movement detection (FMD) is designed to detect gross fetal body movements
and body movements with associated limb movement. Corometrics defines gross
fetal body movement as the “extension, flexion, or rolling over of the fetal trunk
about the longitudinal axis of the body and associated limb movements.”
Movements of the extremities alone may not be detected. Eye movements will not be
detected.
CAUTION
FALSE DETECTION—The following may be automatically
detected as fetal movement: transducer movement and maternal
movement such as coughing, laughing, repositioning, mother
poking her abdomen, in addition to emesis, fetal hiccups, or twins.
During fetal sleep, or in the event of a fetal demise, some of these
detected movements may be confused with fetal movement.
Using Fetal Movement Detection While Monitoring
Enabling/Disabling Fetal Movement Detection
The fetal movement detection is available for the US connector only. FMD is not
available for the US2 connector. To enable/disable fetal movement detection, set the
FM Detect field on the US Setup screen to On. (Refer to Figure below.)
This field is only displayed: for the US connector; and if the option is installed in
your monitor and if a transducer is plugged into the US connector. Rotating the Trim
Knob control alternates between On and Off. (The factory default setting is Off.)
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