Doppler echocardiographic measurement of cardiac output using the mitral orifice method.
نویسندگان
چکیده
منابع مشابه
Doppler echocardiographic measurement of cardiac output using the mitral orifice method.
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 ob...
متن کاملTransoesophageal Doppler echocardiographic measurement of cardiac output by the mitral annulus method.
OBJECTIVE To compare cardiac output measured by the transoesophageal Doppler and thermodilution techniques. DESIGN Prospective direct comparison of paired measurements by both techniques in each patient. SETTING Intensive care unit in a cardiovascular centre. PATIENTS 65 patients after open heart surgery (mean (SD) age 53 (12) years). INTERVENTIONS Cardiac output was measured simultaneo...
متن کاملThe mitral valve orifice method for noninvasive two-dimensional echo Doppler determinations of cardiac output.
We developed and validated a mitral valve orifice method for Doppler cardiac output determination. In 15 open-chest dogs, cardiac output was controlled and measured by a roller pump interposed between the right atrium and pulmonary artery as a right-heart bypass. Left heart flows were measured in the open-chest dog model by Doppler measurements at the mitral valve orifice and compared not only ...
متن کاملThe Mitral Valve Orifice Method for Noninvasive Two - dimensional Echo Doppler Determinations of Cardiac Output DANIEL
We developed and validated a mitral valve orifice method for Doppler cardiac output determination. In 15 open-chest dogs, cardiac output was controlled and measured by a roller pump interposed between the right atrium and pulmonary artery as a right-heart bypass. Left heart flows were measured in the open-chest dog model by Doppler measurements at the mitral valve orifice and compared not only ...
متن کاملAnalysis of interobserver and intraobserver variation of interpretation of the echocardiographic and Doppler flow determination of cardiac output by the mitral orifice method.
The variability of the interpretation by two individuals of a combined echocardiographic and Doppler method of calculating output was studied in 30 normal adults. In each subject three separate cardiac cycles were recorded to calculate maximal mitral valve orifice, the ratio of mean to maximal mitral valve leaflet separation, and the mean flow velocity through the mitral valve. The recordings w...
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ژورنال
عنوان ژورنال: Heart
سال: 1985
ISSN: 1355-6037
DOI: 10.1136/hrt.53.2.130