vena caval syndrome

vena caval syndrome.

See supine hypotension.

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vena caval syndrome [ve´nah ka´val]

partial occlusion of the vena cava and the descending aorta by uterine contents, resulting in hypotension when in a supine position; it is corrected by assuming a side-lying position. Called also supine hypotension.

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vena

pl. venae [L.] vein. See also Table 15.

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caudal vena caval syndrome

see caudal vena caval thrombosis.

vena cava

one of the large vessels emptying venous blood into the right atrium; includes cranial and caudal venae cavae.

vena cava spontaneous rupture

recorded as a cause of sudden death in horses.

vena cava thrombophlebitis

due usually to spread from a hepatic abscess; a common precursor to vena caval syndrome.

vena caval hiatus

see vena cava foramen.

vena caval syndrome

see caval syndrome.

persistent left cranial vena cava

an uncommon anomaly in dogs, often associated with other vascular anomalies such as persistent right aortic arch and tetralogy of Fallot.

posterior vena cava

caudal vena cava.

cranial vena caval venipuncture

a technique for blood sample collection in pigs; a needle is inserted into the cranial vena cava near the thoracic inlet.