Subcostal View of the Inferior Vena Cava
This approach makes possible to study Inferior Vena Cava and Hepatic Veins. The study of the inferior Vena cava and its collaboration with the phases of respiration is mandatory in all patients and is used for assessment Pressure in Pulmonary Artery (normally, the diameter of the inferior Vena cava decreases by 50% during inspiration).
