孕妇,22岁。妊娠32周行胎儿常规超声检查。发现胎儿心腔内有异常回声,随即多切面探查见:胎儿右室增大,其内可见2.2cm×1.7cm中强回声团块,边界较整齐,实质回声尚均匀,基底较宽,与室壁关系密切,没有对三尖瓣构成压迫和堵塞,血流无明显改变,其形态随心动周期有轻微改变,左室受压 Pregnant woman, 22 years old. 32 weeks of gestation fetus routine ultrasound examination. Abnormal fetal echo was found in the fetal heart, then multi-faceted exploration to see: the fetus increased right ventricular, which can be seen within the 2.2cm × 1.7cm strong echo mass, the boundaries are neat, the real echo is uniform, wide base, The wall is closely related to the tricuspid valve without compression and blockage, no significant change in blood flow, the shape of the cardiac cycle with a slight change in left ventricular pressure