| Normal inferior vena cava: caliber changes observed by dynamic ultrasound. | |
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MedLine Citation:
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PMID: 6773338 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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A review of the literature revealed conflicting reports on the physiologic variations of the caliber of the normal inferior vena cava as seen by sonography. In this study, 25 normal volunteers were examined using dynamic scanning, and the upper parts of their inferior vena cavas were observed for changes during various phases of respiration as well a Valsalva maneuver. Optimum distension and, therefore, optimum visualization of the inferior vena cava were achieved after simple breath holding or at end expiration. Inspiration and Valsalva maneuver decreased the size of this vessel in most subjects, making if difficult to see. |
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Authors:
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E Grant; F Rendano; E Sevinc; J Gammelgaard; H H Holm; S Grønvall |
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Publication Detail:
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Type: Journal Article; Review |
Journal Detail:
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Title: AJR. American journal of roentgenology Volume: 135 ISSN: 0361-803X ISO Abbreviation: AJR Am J Roentgenol Publication Date: 1980 Aug |
Date Detail:
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Created Date: 1980-10-21 Completed Date: 1980-10-21 Revised Date: 2008-02-15 |
Medline Journal Info:
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Nlm Unique ID: 7708173 Medline TA: AJR Am J Roentgenol Country: UNITED STATES |
Other Details:
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Languages: eng Pagination: 335-8 Citation Subset: AIM; IM |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Adult Female Humans Male Respiration Ultrasonography* Vena Cava, Inferior / anatomy & histology*, physiology |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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