Fig. 6From: 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 arteryHypothetical vicious circle involving mediastinal geometry, heart and lung sizes and pulmonary artery flow. LPA, left pulmonary artery; LV, left ventricle; PVR, pulmonary vascular resistance; RV, right ventricleBack to article page