Fig. 5From: The effect of gravity-induced preload change on the venous excess ultrasound (VExUS) score and internal jugular vein Doppler in healthy volunteersThe effect of preload on the inferior vena cava and portal pulsatility. Each dashed grey line indicates a single subject, the black line is the average of all subjects. A End-expiratory inferior vena cava (IVC) diameter; B IVC collapse; C IVC sphericity index and D the portal vein pulsatility indexBack to article page