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Diagnostic ultrasound ( PDFDrive )

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CHAPTER 28 Overview of Obstetric Imaging 1025

A

B

C

D

E

FIG. 28.11 Views of Fetal Heart and Outlow Tracts.

Required views include demonstration of normal situs, with

heart and stomach on left side (which is best shown on Video

28.8), four-chamber view of the heart, documentation of normal

heart rate, and outlow tracts if possible. (A) Axial image shows

normal four-chamber view of fetal heart. Note the normal axis

of the heart, at about 60 degrees from midline. (B) M-mode

ultrasound. Note normal heart rate (151 beats/min). (C) Angled

view shows left ventricular outlow tract (arrow). (D) and (E)

Right ventricular outlow tract in oblique axial and oblique sagittal

views with ductus arteriosus (arrow) extending posteriorly to

aorta. See also Videos 28.5 and 28.6.

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