## Abstract A 32โyearโold male with BuddโChiari syndrome and stenosis of the inferior vena cava presented to the hospital with severe abdominal pain. Two contiguous, 14 mm, overlapping (joined) Palmaz stents were placed across the area of stenosis in the inferior vena cava. The stents later emboliz
Inferior vena cava echocardiography
โ Scribed by Richard S. Meltzer; Jackie McGhie; Jos Roelandt
- Publisher
- John Wiley and Sons
- Year
- 1982
- Tongue
- English
- Weight
- 559 KB
- Volume
- 10
- Category
- Article
- ISSN
- 0091-2751
No coin nor oath required. For personal study only.
โฆ Synopsis
Abstract
The inferior vena cava can be imaged during echocardiography from the subcostal transducer position as an echoโfree space at a depth ranging from 6 to 15 cm from the abdominal wall. The normal inferior vena cava Mโmode echocardiogram has an โaโ and โvโ pulsation pattern similar to that seen in the jugular venous tracing and exhibits prominent cyclic respiratory changes. Since right atrial activity can be seen as a pulsation on the Mโmode inferior vena cava tracing, specific patterns can be observed during cardiac arrhythmias. In right heart failure the inferior vena cava is usually distended, with diminished respiratory collapse. In tricuspid regurgitation, contrast injected into an arm appears in the inferior vena cava during the โvโ wave. โAโwave synchronousโ inferior vena cava contrast or a contrast appearance unrelated to the cardiac cycle, frequently with deep inspiration, does not suggest tricuspid regurgitation.
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