Transposition of the great arteries (TGA) - Fetal echocardiogram

Case contributed by Dr Muhammad Yousaf

Presentation

20 weeks pregnancy for routine anomaly scan

Patient Data

Age: 25 years
Gender: Female

Situs solitus with normal IVC and aorta relationship

4 chamber view is normal

LVOT is abnormal. There is bifurcation of LVOT suggestive of pulmonary artery arising from left ventricle.

Abnormal short axis view of RVOT. 

There are two vessels in three vessel and tracheal view instead of three.

Further, there is I sign in three vessel tracheal view.

Additional views

Ultrasound

There is prallel arrangement of great arteries.

Case Discussion

This case shows typical findings of d-type transposition of great arteries.

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