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PDA Management in the First Month in High-Risk Preterm Neonate, N/IICU and Inpatient – Echocardiogram Staging of PDA

PDA Management in the First Month in High-Risk Preterm Neonate Clinical Pathway — N/IICU and Inpatient

Echocardiogram Staging of PDA

PDA Transductal Flow Ductus Arteriosus (DA) Heart
Small Moderate/severely restrictive
> 3m/sec
Pulmonary artery ratio < 0.5 No signs of left heart dilation
Moderate Mildly restrictive 1.5-3m/sec Pulmonary artery ratio 0.5-1 Mild left atrial dilation
Large Unrestrictive < 1.5m/sec Pulmonary artery ratio > 1 Moderate to severe LA or LV dilation
Flow reversal in aorta immediately beneath DA

 

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