fig49
![Echocardiography: an overview - Part III](https://image.oaes.cc/a251030f-17ae-4989-8cbc-3b1df7232f71/4834.fig.49.jpg)
Figure 49. A selected video frame from 2D (A) and color Doppler (B) parasternal short-axis view in a neonate with hypoplastic left heart syndrome demonstrating a somewhat constricted ductus arteriosus (DA) prior to the administration of prostaglandin E1. Reproduced from Ref.[21]. DAo: Descending aorta; MPA: main pulmonary artery.