Graham Field 14423-2 Baby Accessories User Manual


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14423-INS-LAB-RevE13 22


Refer to picture at right. The
audio fetal heart beat is sent
out via the built-in speaker or
attached earphone.
1. Palpate for the fetus position
to nd the best location to
place the probe and hear the
fetal heart rate.
2. Apply a liberal amount of gel to the probe head.
3. Place the probe head on the desired location. Assure
that good coupling of the gel to the skin is achieved; the
Fetal Heart rate will not be heard if adequate gel is not
used and air is between the probe head and skin.
4. Slowly move the probe until a clear heart rate is heard.
5. Adjust the volume to the desired level.
WARNING:ItisnotpossibletomonitorFHRunless
anaudiblefetalheartsignalispresent.Thefetal
pulsecanbedistinguishedfromthematernalpulse
byfeelingthemother’spulseduringtheexamination.
WARNING:Forbestqualityaudio,placetheprobein
theoptimumposition.
WARNING:Forbestqualityaudio,avoidpositions
withstrongplacentalsounds(swishing)orfetalcord
pulse(indistinctpulseatfetalrate).
WARNING:Ifthefetusisinthecephalicposition
andthemotherissupine,theclearestheartsound
willnormallybefoundonthemidlinebelowthe
umbilicus.Duringmonitoring,prolongedlyingin
thesupinepositionshouldbeavoided.Sittingup
orlateralpositionsarepreferableandmaybemore
comfortableforthemother.
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