The Ultrasonic Microsurgical Anatomical Comparative Study of the CHD Fetuses and Their Clinical Significance

Figure 6

Aortic stenosis (AS) (38 w). (a) The superior mediastinum three-vessel echocardiography section. (b) The superior mediastinum three-vessel sectional anatomy. Pulmonary artery hypoplasia (PAH) (30 w). (c) The superior mediastinum three-vessel echocardiography section. (d) The superior mediastinum three-vessel sectional anatomy. SVC: superior vena cava; AO: Aorta; PA: Pulmonary Artery; RA: Right Atrium; LV: left ventricle; DAO: descending aorta; DA: ductus arteriosus.

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