Fig. 4
Boxplots of pulmonary artery impedance and hydraulic work, presented by experimental condition and QECMO (4, 3, 2, 1 L/min). HPV: hypoxic pulmonary vasoconstriction. PE: pulmonary embolism. A Characteristic pulmonary vascular impedance (Zc), pressure and flow harmonics with amplitudes of < 1% of original signal excluded [19, 20]. B Input resistance (Z0), defined as the impedance at 0 Hz. C Total hydraulic work (WT). D Oscillatory hydraulic work (WOsc)