Julius S
Department of Internal Medicine, University of Michigan Medical School, Ann Arbor 48109-0356.
Eur Heart J. 1990 Dec;11 Suppl I:144-7. doi: 10.1093/eurheartj/11.suppl_i.144.
In an assessment of non-invasive methods for the clinical measurement of cardiac output, both M-mode echocardiography and the CO2 rebreathing technique were found to be unreliable. However, the echo-Doppler method appeared for population studies.
在一项关于心输出量临床测量的非侵入性方法评估中，发现M型超声心动图和二氧化碳重呼吸技术都不可靠。然而，回声多普勒方法似乎适用于人群研究。
