| Erroneous diagnosis of significant obstruction by Doppler in a patient with discrete subaortic membrane: correct diagnosis by 3D-transthoracic echocardiography. | |
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MedLine Citation:
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PMID: 18771551 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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We report an adult with a discrete subaortic membrane in whom two-dimensional transthoracic Doppler echocardiography demonstrated peak and mean gradients of 64 and 33 mmHg, respectively in the left ventricular outflow tract (LVOT) and a calculated orifice area by continuity equation of 1.14 cm(2) consistent with significant obstruction. However, by direct en face visualization of the LVOT at the level of the membrane by live/real time three-dimensional transthoracic echocardiography (3D TTE), a larger orifice measuring 2.29 cm(2) was seen and was indicative of no significant obstruction. This finding was confirmed at cardiac catheterization, which showed insignificant obstruction. |
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Authors:
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Naveen Bandarupalli; Michael Faulkner; Navin C Nanda; Koteswara R Pothineni |
Publication Detail:
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Type: Case Reports; Journal Article Date: 2008-09-02 |
Journal Detail:
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Title: Echocardiography (Mount Kisco, N.Y.) Volume: 25 ISSN: 1540-8175 ISO Abbreviation: Echocardiography Publication Date: 2008 Oct |
Date Detail:
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Created Date: 2008-11-06 Completed Date: 2009-02-02 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8511187 Medline TA: Echocardiography Country: United States |
Other Details:
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Languages: eng Pagination: 1004-6 Citation Subset: IM |
Affiliation:
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Division of Cardiovascular Diseases, University of Alabama at Birmingham, Birmingham, Alabama 35249, USA. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Adult Aorta / ultrasonography* Aortic Valve Stenosis / ultrasonography* Diagnostic Errors / prevention & control* Echocardiography / methods* Echocardiography, Doppler / methods* Echocardiography, Three-Dimensional / methods* Female Humans |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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