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![Echocardiography: an overview - Part II](https://image.oaes.cc/2812ecbd-2d42-493c-8bf9-fab687757096/4657.fig.9.jpg)
Figure 9. Selected video frame from Doppler recording from a suprasternal notch view of a continuous wave Doppler study. Both the high Doppler velocity and diastolic extension of the Doppler signal indicate that the aortic coarctation is severe in degree. Reproduced from Ref.[10].