In fetuses with cardiac tumors, Doppler echocardiography is valuable in quantifying fetal cardiac function by calculating such indices as FS and CCO, and assessing both intracardiac and peripheral hemodynamics.

• 应用多普勒超声心动图可清晰显示胎儿心脏肿瘤,评价与CHF的相关因素。 通过主动脉和肺动脉CO的总和CCO可无创获得心输出量的指标及计算FS研究量化胎儿心功能,并可评价心内及外周血流动力学变化。