S
S
S
R
R
R
F
F
F
6
6
6
1
1
1
8
8
8
B
B
B
6
6
6
U
U
U
s
s
s
e
e
e
r
r
r
’
’
’
s
s
s
M
M
M
a
a
a
n
n
n
u
u
u
a
a
a
l
l
l
～45～
responsibility of qualified medical staff to do the diagnostic interpretation of the waveform.
1. CTG analyzing
NOTE:
1) CTG analysis can only start after the real-time trace has been printed for 10 minutes.
2) The CTG analysis result is for reference only. After the real-time trace is printed for 10 minutes, press
the Bed key
and rotate the control knob to select the Tools menu key , press the control knob
and enter the shortcut menu, shown as Fig.8-3. Select the Analysis Result menu, shown as Fig.8-8.
Fig. 8-8 CTG analysis results
Refer to Fig. 8-8, the CTG analysis results on the screen include:
Start the relative start time of the analysis.
Analysis Time the analyzed monitoring time-period ,10 to 60 minutes.
Baseline Basal fetal heart rate, the average FHR in 10 minutes when it is not
influenced by fetal movement or contractions.
Variability the amplitude-variable of fetal heart rate (bpm)
Rise Time the acceleration time(s), including the acceleration with amplitude larger
than 10bpm and lasts more than 10 seconds, and the acceleration with
amplitude larger than 15bpm and lasts more than 15 seconds.
Rise Value the acceleration amplitude
FM Times the times of fetal movement
ACC Times the acceleration times
ED Times the times of early deceleration
LD Times the times of late deceleration
VD Times the times of variable deceleration
DEC Times the deceleration times
STV (ms) the short-term variation analysis result.
During 10 to 60-minute of the timer, the monitor gives CTG analysis results every minute.
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