Echocardiographic Z-Score to Predict Pulmonary-Systemic Flow Ratio in Children With Atrial Septal Defect
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Background: The correlation between pulmonary-to-systemic flow ratio (Qp/Qs) and right heart enlargement in children with atrial septal defect (ASD) remains unclear. This study aimed to (1) assess echocardiographic Z-scores of th... ...