Both of these are confounded when there is an atrial shunt, hence limiting the use of relative ventricular output as a measure of PDA significance. This shows the measurement of the color Doppler ...

Cite this: Current Controversies in the Diagnosis and Treatment of Patent Ductus Arteriosus in Preterm Infants ... [13] This plots the range of color Doppler ductal diameter at 5 hours of ...