Fig. 3From: Vicious circle between progressive right ventricular dilatation and pulmonary regurgitation in patients after tetralogy of Fallot repair? Right heart enlargement promotes flow reversal in the left pulmonary arteryCorrelation between right ventricular end-diastolic volume and left lung area ratio and cardiac axis. RVEDVi, indexed right ventricular end-diastolic volumeBack to article page