Document Detail

Doppler echocardiographic measurement of cardiac output using the mitral orifice method.
MedLine Citation:
PMID:  3966956     Owner:  NLM     Status:  MEDLINE    
Cardiac output was determined in 20 patients with various cardiac conditions by measuring the cross sectional area of the mitral orifice by echocardiography and the transmitral flow by the Doppler technique. Cardiac output was calculated by multiplying the corrected mitral orifice area by the maximum diastolic velocity integral recorded by the pulsed mode. The results were compared with that obtained by the Fick method. The correlation for cardiac output by the two techniques was high in the whole group, particularly in patients without mitral regurgitation. There was also a good correlation for stroke volume determined by the two methods. Cardiac output was significantly overestimated by the continuous mode and in patients with mitral regurgitation. These results show that the mitral orifice method provides a new and reliable approach to the non-invasive measurement of cardiac output.
Y Zhang; S Nitter-Hauge; H Ihlen; E Myhre
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Publication Detail:
Type:  Comparative Study; Journal Article    
Journal Detail:
Title:  British heart journal     Volume:  53     ISSN:  0007-0769     ISO Abbreviation:  Br Heart J     Publication Date:  1985 Feb 
Date Detail:
Created Date:  1985-03-18     Completed Date:  1985-03-18     Revised Date:  2009-11-18    
Medline Journal Info:
Nlm Unique ID:  0370634     Medline TA:  Br Heart J     Country:  ENGLAND    
Other Details:
Languages:  eng     Pagination:  130-6     Citation Subset:  AIM; IM    
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MeSH Terms
Cardiac Output*
Echocardiography / methods*
Heart Catheterization
Heart Diseases / physiopathology
Middle Aged
Mitral Valve / physiopathology*
Stroke Volume

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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