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(Radiographics. 2002;22:1125-1138.)
© RSNA, 2002

EDUCATION EXHIBIT

Prenatal Diagnosis of Congenital Cardiac Anomalies: A Practical Approach Using Two Basic Views1

Jodi M. Barboza, MD, Nafisa K. Dajani, MD, Lana G. Glenn, RDMS and Teresita L. Angtuaco, MD

1 From the Departments of Radiology (J.M.B., L.G.G., T.L.A.) and Obstetrics and Gynecology (N.K.D., L.G.G., T.L.A.), University of Arkansas for Medical Sciences, 4301 W Markham St, Little Rock, AR 72205. Recipient of a Certificate of Merit award for an education exhibit at the 2001 RSNA scientific assembly. Received February 15, 2002; revision requested April 2; final revision received May 23; accepted May 24. Address correspondence to J.M.B. (e-mail: barbozajodim@uams.edu).

Structural cardiac anomalies are estimated to occur in 8 of every 1,000 live births. Cardiovascular anomalies are frequently associated with other congenital anomalies because the heart is among the last organs to develop completely in the embryo. The guidelines for routine prenatal evaluation of both the American College of Radiology and the American Institute of Ultrasound in Medicine require evaluation of the fetal heart. The ultrasonographic (US) view that is most commonly used is the four-chamber view, which allows assessment of abnormalities involving the atria and the ventricles. However, this view is not adequate for demonstrating the outflow tracts of the aorta and pulmonary artery. A base view that demonstrates the crossing of the great vessels can be obtained just superior to the four-chamber view. Addition of the base view to routine US evaluation with the four-chamber view increases not only the sensitivity for detection of cardiac anomalies but also the accuracy of diagnosis.

Supplemental material: Movie clips to supplement this article are available online at radio-graphics.rsnajnls.org/cgi/content/full/22/5/1125/DC1.

© RSNA, 2002

Index Terms: Fetus, cardiovascular system, 856.8751 • Fetus, US, 856.1298 • Heart, abnormalities, 50.143, 50.16, 50.1715 • Heart, US, 50.1298 Tetralogy of Fallot, 50.145 • Ventricular septal defect, 515.142


Related Article

Invited Commentary • Author's Response
John P. McGahan and Jodi M. Barboza
RadioGraphics 2002 22: 1137-1138. [Full Text] [PDF]





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