| pubmed-article:6744546 | rdf:type | pubmed:Citation | lld:pubmed |
| pubmed-article:6744546 | lifeskim:mentions | umls-concept:C0025663 | lld:lifeskim |
| pubmed-article:6744546 | lifeskim:mentions | umls-concept:C0205111 | lld:lifeskim |
| pubmed-article:6744546 | lifeskim:mentions | umls-concept:C0007165 | lld:lifeskim |
| pubmed-article:6744546 | lifeskim:mentions | umls-concept:C0038455 | lld:lifeskim |
| pubmed-article:6744546 | lifeskim:mentions | umls-concept:C0680730 | lld:lifeskim |
| pubmed-article:6744546 | lifeskim:mentions | umls-concept:C0554756 | lld:lifeskim |
| pubmed-article:6744546 | lifeskim:mentions | umls-concept:C1947910 | lld:lifeskim |
| pubmed-article:6744546 | lifeskim:mentions | umls-concept:C1519941 | lld:lifeskim |
| pubmed-article:6744546 | lifeskim:mentions | umls-concept:C1148554 | lld:lifeskim |
| pubmed-article:6744546 | lifeskim:mentions | umls-concept:C0205210 | lld:lifeskim |
| pubmed-article:6744546 | lifeskim:mentions | umls-concept:C0557702 | lld:lifeskim |
| pubmed-article:6744546 | pubmed:issue | 3 | lld:pubmed |
| pubmed-article:6744546 | pubmed:dateCreated | 1984-9-19 | lld:pubmed |
| pubmed-article:6744546 | pubmed:abstractText | Two methods of measuring stroke volume and cardiac output with pulsed Doppler two-dimensional echocardiography were developed and validated against the thermodilution technique in 39 patients, 33 of which were in an intensive care unit. With the use of the apical four-chamber view, a mitral inflow method combined the velocity of left ventricular inflow at the mitral anulus with the cross-sectional area of the anulus calculated from its diameter at middiastole (area = pi r2). From the apical five-chamber view a left ventricular outflow method combined the velocity of left ventricular outflow with the cross-sectional area of the aortic anulus calculated from its diameter during early systole (parasternal long-axis view). Measurements with the mitral inflow and left ventricular outflow methods were obtained in 35 of 39 (90%) and 39 of 39 (100%) patients, respectively. Validation of the mitral method excluded patients with mitral regurgitation (n = 11) and validation of the left ventricular outflow method excluded those with aortic regurgitation (n = 4). Good correlations were observed between thermodilution and Doppler measurements of stroke volume and cardiac output for both the mitral anulus method (R = .96 and .87, respectively) and the left ventricular outflow method (R = .95 and .91, respectively). The results of the two methods correlated well with each other in patients without regurgitant valve lesions. A greater interobserver variability was observed with the mitral anulus method, which was related solely to greater variability in measuring the annular diameter.(ABSTRACT TRUNCATED AT 250 WORDS) | lld:pubmed |
| pubmed-article:6744546 | pubmed:grant | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:6744546 | pubmed:language | eng | lld:pubmed |
| pubmed-article:6744546 | pubmed:journal | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:6744546 | pubmed:citationSubset | AIM | lld:pubmed |
| pubmed-article:6744546 | pubmed:status | MEDLINE | lld:pubmed |
| pubmed-article:6744546 | pubmed:month | Sep | lld:pubmed |
| pubmed-article:6744546 | pubmed:issn | 0009-7322 | lld:pubmed |
| pubmed-article:6744546 | pubmed:author | pubmed-author:HOMM | lld:pubmed |
| pubmed-article:6744546 | pubmed:author | pubmed-author:LewisJ FJF | lld:pubmed |
| pubmed-article:6744546 | pubmed:author | pubmed-author:QuinonesM AMA | lld:pubmed |
| pubmed-article:6744546 | pubmed:author | pubmed-author:LimacherM CMC | lld:pubmed |
| pubmed-article:6744546 | pubmed:author | pubmed-author:NelsonJ GJG | lld:pubmed |
| pubmed-article:6744546 | pubmed:issnType | Print | lld:pubmed |
| pubmed-article:6744546 | pubmed:volume | 70 | lld:pubmed |
| pubmed-article:6744546 | pubmed:owner | NLM | lld:pubmed |
| pubmed-article:6744546 | pubmed:authorsComplete | Y | lld:pubmed |
| pubmed-article:6744546 | pubmed:pagination | 425-31 | lld:pubmed |
| pubmed-article:6744546 | pubmed:dateRevised | 2007-11-14 | lld:pubmed |
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| pubmed-article:6744546 | pubmed:meshHeading | pubmed-meshheading:6744546-... | lld:pubmed |
| pubmed-article:6744546 | pubmed:year | 1984 | lld:pubmed |
| pubmed-article:6744546 | pubmed:articleTitle | Pulsed Doppler echocardiographic determination of stroke volume and cardiac output: clinical validation of two new methods using the apical window. | lld:pubmed |
| pubmed-article:6744546 | pubmed:publicationType | Journal Article | lld:pubmed |
| pubmed-article:6744546 | pubmed:publicationType | Comparative Study | lld:pubmed |
| pubmed-article:6744546 | pubmed:publicationType | Research Support, U.S. Gov't, P.H.S. | lld:pubmed |
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