Fluke Biomedical medSim 300B - Manual (Page 124)

medSim 300B
Operators Manual
4-26
Illustrations of the periodic fetal heart rate selections, with their selection names and
descriptions follow:
Elapsed Time
0
90
100
140
mmHg
BPM
IUP Peak
Fetal Heart Rate
Intrauterine Pressure
eic194.eps
Figure 4-19. medSim 300B Simulated Early Deceleration
edec: Early deceleration. Fetal heart rate starts at 140 BPM, slows to 100 BPM at
intrauterine pressure peak, and returns to 140 BPM as the intrauterine pressure
falls back to zero.
Elapsed Time
0
90
100
140
mmHg
BPM
IUP Peak
Fetal Heart Rate
30 second lag
Intrauterine Pressure
eic195.eps
Figure 4-20. medSim 300B Simulated Uniform Deceleration
udec: Uniform deceleration. Fetal heart rate change lags intrauterine pressure change
by 30 seconds. Fetal heart rate starts at 140 BPM, slows to 100 BPM, and returns
to 140 BPM.