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Schematics describing the lumped parameter models used in the study. A: biventricular circulation; B: univentricular circulation. R, resistance; C, compliance; E, load; PVB, pulmonary venous bed; PAB, pulmonary arterial bed; RV, right ventricle; RA, right atrium; LA, left atrium; LV, left ventricle; SAB, systemic arterial bed; SVB, systemic venous bed; MV, mitral valve; AV, aortic valve.
