Fig. 5From: Norwood procedure with non-valved right ventricle to pulmonary artery shunt improves ventricular energetics despite the presence of diastolic regurgitation: a theoretical analysisThe relation between Q p/Q s and mechanical efficiency. Solid line systemic to pulmonary artery shunt (SPS), dotted line non-valved right ventricle to pulmonary artery (RV-PA) shunt, dot-dashed line valved RV-PA shuntBack to article page