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Table 2 Echocardiographic characteristics of atrioventricular septal defects

From: Understanding atrioventricular septal defect: Anatomoechocardiographic correlation

n = 34 Anatomic finding n %
Position (Situs) Solitus 11 32
  Inversus 4 12
  Dextroisomerism 12 35
  Levoisomerism 7 21
AV Connection Concordant 15 44
  RVDI 8 23
  SVDI 4 12
  Ambiguous 4 12
  LVDI 3 9
V-A Connection RVDO 14 41
  Concordant 10 29
  Discordant 6 18
  SVDO 4 12
Associated anomalies Pulmonary stenosis 14 41
  Pulmonary atresia 5 15
  Pulmonary hypertension 7 20
  Patent ductus arteriosus 2 6
  Anomalous connection of pulmonary veins 9 26
  AV valve dysplasia 2 6
  Valve regurgitation 15 44
  Obstruction of the LV outflow tract 1 3
  Single coronary ostium 1 3
  1. A-V: Atrioventricular; SVDI: Single ventricular double inlet; RVDI: Right ventricular double inlet; LVDI: Left ventricular double inlet; V-A: Ventriculo-arterial; RVDO: Right ventricular double outlet; SVDO: Single ventricular double outlet.