Synthetic Fetal Electrocardiogram

final time (s)

5

Electrode Positions

electrode position 1

4

electrode position 2

6

Maternal Parameters

heart rate (bpm)

75

heart rate variability (LF)

0.1

heart rate variability (HF)

0.25

baseline wander (mV)

0.15

respiratory frequency (Hz)

0.4

Fetal Parameters

heart rate (bpm)

120

heart rate variability (LF)

0.1

heart rate variability (HF)

0.25

baseline wander (mV)

0.002

respiratory frequency (Hz)

0.5

Noise Parameters

power line noise level (Hz)

0.015

white noise level (Hz)

0.002

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A fetal electrocardiogram is simulated using ordinary differential equations. Adjust the parameters of the waves to generate different morphologies in the bottom graph. Use the "Play" buttons on the upper graph to listen to the model. This simulates listening to an ultrasound.