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. Author manuscript; available in PMC: 2023 Jan 1.
Published in final edited form as: Cardiol Rev. 2022 Jan-Feb;30(1):31–37. doi: 10.1097/CRD.0000000000000370

Figure 1:

Figure 1:

Fetal echocardiogram demonstrating a rate of 200 beats per minute (bpm) on the pulse wave Doppler with severe biventricular dysfunction. Normal fetal heart rate ranges from 110–160 bpm, while supraventricular tachycardia from 200–300 bpm. msec, milliseconds.