Document Detail

Combined Doppler and echocardiographic measurement of cardiac output: theory and application in pregnancy.
MedLine Citation:
PMID:  3322366     Owner:  NLM     Status:  MEDLINE    
A non-invasive technique for the measurement of cardiac output in pregnancy by combined cross-sectional and Doppler echocardiography at three intracardiac sites is described. The validity of the technique for use during pregnancy is reviewed. Comparison with cardiac output determined simultaneously by the direct Fick technique in 15 non-pregnant subjects showed close agreement for all three measurement sites. Acceptable measurements were obtained from the aortic and pulmonary valves in all pregnant subjects and from the mitral valve in 84% of pregnant subjects. The within-patient intra-observer and hour-to-hour variabilities of cardiac output in pregnant and non-pregnant subjects were less than 5% of the mean for all three valves studied. Flow measurements at each of the three intracardiac sites correlated closely. The advantages and limitations of the technique for use during pregnancy are discussed.
S C Robson; W Dunlop; M Moore; S Hunter
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  British journal of obstetrics and gynaecology     Volume:  94     ISSN:  0306-5456     ISO Abbreviation:  Br J Obstet Gynaecol     Publication Date:  1987 Nov 
Date Detail:
Created Date:  1988-03-02     Completed Date:  1988-03-02     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  7503752     Medline TA:  Br J Obstet Gynaecol     Country:  ENGLAND    
Other Details:
Languages:  eng     Pagination:  1014-27     Citation Subset:  AIM; IM    
University of Newcastle-upon-Tyne, Department of Obstetrics and Gynaecology, Princess Mary Maternity Hospital.
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MeSH Terms
Aorta / anatomy & histology
Blood Flow Velocity
Cardiac Output*
Middle Aged
Pregnancy / physiology*
Pulmonary Artery / anatomy & histology

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