Hepatic venous (HV), subhepatic inferior vena caval (IVC), and portal venous (PV) flow rates were measured with Doppler ultrasonography during inspiration and expiration in both the supine and upright ...

The collapsibility of the inferior vena cava (IVC), in humans is an intravascular-volume status indicator. As intrathoracic pressure falls during inspiration, venous blood is pulled from the lower ...

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Absence of the inferior vena cava (IVC) shadow on the lateral chest film has been claimed to be an important feature of AC-IVC. Our findings, however, indicate that AC-IVC is frequently associated ...