Switching Fhr Alarm On Or Off - EDAN F6 User Manual

F Series Fetal & Maternal Monitor User Manual
Make sure the belt fits the patient snugly but comfortably. Meanwhile, fetus heart beat sound is
heard; the FHR trace and numeric are displayed. During long-time monitoring, the gel may dry
out as the transducer moves around. Add more gel in time if it is inadequate.
5) Confirming that the Fetus is the Signal Source
Ultrasound Doppler technology is utilized to observe the fetal heart rate externally, there are
possibilities that maternal heart rate signal is mistaken for FHR signal. It is highly
recommended to confirm that the fetus is the signal source continuously. You can feel the
maternal pulse at the same time.
If the maternal heart signal is misidentified as the fetal heart signal, Repositioning of the
transducer is needed.
NOTE:
1 Do not mistake the high maternal heart rate for fetal heart rate. The fetal pulse can be
distinguished from the maternal pulse by feeling the mother's pulse during the
examination.
2 The best quality records will only be obtained if the probe is placed in the optimum
position. Positions with strong placental sounds or umbilical blood flow sound should
be avoided.
3 If the fetus is in the cephalic presentation and the mother is supine, the clearest heart
sound will normally be found on the midline below the umbilicus. During monitoring,
the patient's prolonged lying in the supine position should be avoided owing to the
possibility of supine hypotension. Sitting up or lateral positions are preferable and
may be more comfortable.
4 It is impossible to examine FHR unless a clear fetal heart signal is detected.
5 During long-time monitoring, the gel may dry out as the transducer moves around.
Add more gel in time if it is inadequate.
6 When applied to the patient, the ultrasound transducer may warm slightly (less than
1°C (1.8ºF) above ambient temperature). When NOT applied, the ultrasound
transducer may warm slightly (less than 2°C (3.6ºF) above ambient temperature).

7.2.3 Switching FHR Alarm On or Off

Always check if the alarm settings are appropriate for your patient before starting a monitoring.
You can choose to switch the FHR alarm on or off. If the fetal heart alarm is switched off, the
monitor will no longer give any audible or visual warning for this monitoring item.
1 Select the setup key
2 Select Alarm. On the displayed Password box, enter 9999, then select Enter.
on the main interface.
- 55 -
Fetal Monitoring