Prenatal diagnosis and prognosis of accelerated idioventricular rhythm

What is it about?

Ultrasonography examinations of fetal cardiocirculation may help identify an accelerated idioventricular rhythm (AIVR) before birth. Atrioventricular dissociation is easily identified on the superior vena cava/aorta Doppler recordings. The simultaneous recording of aortic isthmus and ductus arteriosus waveforms can determine the left or right ventricular origin of the arrhythmia.

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