Right sided aortic arch - fetal ultrasound

Case contributed by Bahman Rasuli


Primigravida for the 20-week anomaly scan. No complaints. 11-13 weeks scan was normal.

Patient Data

Age: 35 years
Gender: Female

Normal fetal situs.

'U' configuration of the pulmonary artery and aortic arch.

The trachea is seen within the 'U'. 

Four-chamber view - LVOT and RVOT are normal.

Rest of the fetal anatomical survey was normal.

Fetal maturity corresponded to last menstrual period (LMP).

Case Discussion

Fetal echocardiography findings are compatible with a right-sided aortic arch in a fetus of 20 weeks gestation.

How to use cases

You can use Radiopaedia cases in a variety of ways to help you learn and teach.

Creating your own cases is easy.

Updating… Please wait.

 Unable to process the form. Check for errors and try again.

 Thank you for updating your details.