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Am J Cardiol ; 81(10): 1228-30, 1998 May 15.
Article in English | MEDLINE | ID: mdl-9604955

ABSTRACT

Test-retest reproducibility of stroke volume and cardiac output using Doppler echocardiography was examined during maximum cycle exercise in 13 young men. A coefficient of variation of 8.5% and 8.1% and intraclass correlation coefficient of 0.90 and 0.91 for maximum stroke volume and cardiac output, respectively, indicate a high degree of reproducibility using this technique.


Subject(s)
Echocardiography, Doppler , Exercise Test , Stroke Volume/physiology , Adult , Humans , Male , Predictive Value of Tests , Reference Values , Reproducibility of Results
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