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Flow/pressure/saturation diagram of a normal circulation: critical bottleneck in various disease conditions. Schematic representation of normal circulation: localisation of critical bottleneck in various diseases. A: Cardiomyopathy (CMP); B: Primary pulmonary hypertension PPHT; and C: Mitral stenosis (MS). See text for details. Ao, aorta; CV, caval veins; LA, left atrium; PA, pulmonary artery; LV, left ventricle; RA, right atrium; RV, right ventricle
