Huntleigh Sonicaid FM800 Series, Инструкция по эксплуатации, Страница: 43 / 130

Sonicaid FM800 Encore Series Instructions for Use
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3 Listen to the FM800E Audio signal. The sound will always reflect the true rate of the
detected signal and cannot be affected by double rating or half rating. Fetal heart
sound should be like a galloping horse, not a swishing sound from maternal vessels.
4 Repeat any of 1 to 3 if half rating or double rating or other artefact is suspected.
6.6
64B
Ultrasound for twins
1 Set FM800E to TWIN SCALES or SINGLE SCALE [ > SETUP > NEXT PAGE >
SYSTEM SETTINGS > access code (2755) > PRINTER > TWIN FHR]
TWIN SCALES setting is not recommended for intrapartum
monitoring as the FHR values may exceed the printed
scales.
2 Palpate the abdomen and ascertain the lie of each fetus.
3 Place both ultrasound transducers on the patient’s abdomen in the optimum position.
Use the ULT1 transducer to monitor the first, presenting twin. Make the transducers
secure with belts.
4 To hear the audio signal for each twin, press the Channel Select on the front of
FM800E. The Audio symbol shows which is the active audio channel.
Channel Select Audio symbol
5 Check that the two heart rates are different.
If the heart rates appear similar:
FM800E beeps
The display shows !CHECK TRACE FOR SAME HEART RATE
Printed trace
Make sure that the transducers are positioned correctly.
6 Connect the fetal event marker to the socket on the side panel. Explain to the mother
how and when to use it.
7 To offset the ULT2 trace on the printer if using a single scale
Set FM800E to TWINS OFFSET ON [ > SETUP > TWINS OFFSET]
The display shows Printer icon in Yellow incorporating text “+20”
Printed trace flag
ULT2 +20