1.
Am J Cardiol
; 81(10): 1228-30, 1998 May 15.
Artículo
en Inglés
| MEDLINE
| ID: mdl-9604955
RESUMEN
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.