Fig. 4From: Norwood procedure with non-valved right ventricle to pulmonary artery shunt improves ventricular energetics despite the presence of diastolic regurgitation: a theoretical analysisPressure-volume loops of simulated Norwood procedures. Solid line 3.5-mm systemic to pulmonary artery shunt (SPS), dotted line 6.0-mm non-valved right ventricle to pulmonary artery (RV-PA) shunt, dot-dashed line 5.0-mm valved RV-PA shuntBack to article page