Transposition of the great arteries (TGA) - fetal echocardiogram
Diagnosis almost certain
Presentation
The 19-week fetus was referred for fetal echocardiography because of an abnormal three-vessel view on a routine anomaly scan.
Patient Data
Age: 25 years
Gender: Female
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normal four-chamber view
parallel arrangement of great arteries.
aorta (Ao) arises from the right ventricle (RV) and appears as a long vessel
pulmonary artery (PA) originating from the left ventricle (LV)
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The bifurcation of PA forms an image of a baby bird with an open beak (Baby bird’s beak sign).
Case Discussion
This case shows typical findings of d-type transposition of the great arteries.