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Measurement of cardiac output in pregnancy by thermodilution and impedance techniques
Author(s) -
EASTERLING THOMAS R.,
BENEDETTI THOMAS J.,
CARLSON KAREN L.,
WATTS D. HEATHER
Publication year - 1989
Publication title -
bjog: an international journal of obstetrics and gynaecology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.157
H-Index - 164
eISSN - 1471-0528
pISSN - 1470-0328
DOI - 10.1111/j.1471-0528.1989.tb01578.x
Subject(s) - impedance cardiography , cardiac output , medicine , cardiology , cardiac catheterization , pulmonary artery , pregnancy , hemodynamics , stroke volume , heart failure , ejection fraction , biology , genetics
Summary. To assess the value of impedance cardiography in pregnancy, simultaneous measurements of cardiae output were made with impedance and thermodilution techniques in 10 patients who required pulmonary artery catheterization. The methods correlated poorly ( r =0·17). The discrepancy between methods was particularly pronounced in hypertensive patients. Impedance cardiography does not measure cardiac output accurately in hypertensive pregnant women.