superior vena cava


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Noun1.superior vena cava - receives blood from the head and arms and chest and empties into the right atrium of the heart; formed from the azygos and both brachiocephalic veins
vena cava - either of two large veins that return oxygen-depleted blood to the right atrium of the heart
References in periodicals archive ?
Comparison of superior vena cava and femoroiliac vein pressure according to intra-abdominal pressure.
Thirty-one out of the 32 patients had a normal right superior vena cava. Twenty-two cases were referred due to other cardiac and extracardiac defects, and PLSVC was detected during echocardiography.
Keywords: Superior vena cava, coronary sinus, cardiac pacemaker
A tumor superior to the right atrium was found during procedure, which was invasive to the right atrium and superior vena cava. In view of pathology, it infiltrated cardiac muscle but no distinct margins.
We also performed venography via the right brachial vein and observed that only the right superior vena cava (SVC) directly drained into RA (Figure 1).
Note the drained abscess cavity (arrow) between the right upper lobe (A) and superior vena cava (B).
43 (69.4%) of 62 patients with superior vena cava syndrome had first-degree downhill varices, 18 (29%) had second-degree varices, and 1 patient (1.6%) had third-degree varices.
Series of lab tests showed a mild normocytic anemia with mild lymphocytosis, while a preoperative chest computed tomography scan, showed a 15 cm anterior mediastinal mass with no involvement of the adjacent structures: superior vena cava, pericardium, or pleura.
The CVP readings were, in fact, pulmonary artery pressure readings as the superior vena cava in this patient was anastomosed to the right pulmonary artery.
Further, a "dual circuit" can develop, such that deoxygenated blood recirculates from upper body (heart, brain, and upper extremities) through the superior vena cava (SVC), heart, lungs, and great vessels.
Chylous ascites is a rare cause of turbid dialysate and has been associated with lymphoma, pancreatitis, and superior vena cava syndrome.
The CVC should be positioned in the superior vena cava above the right ventricle.

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