Aorta and Inferior Vena Cava


TERMINOLOGY

Abbreviations

  • Inferior vena cava (IVC)

Definitions

  • "Proximal" and "distal" in arterial and venous systems apply to position of arterial and venous segment in relation to heart (rather than direction of flow)

  • Aneurysm: Focal increase in caliber of artery with diameter of dilated segment measuring at least 1.5x > adjacent unaffected segments

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