Aberrant right subclavian artery (ARSA)

Case contributed by Dr Ayush Goel


Routine antenatal scan


Case Discussion

ARSA is one of the 2nd-trimester soft markers. Its presence suggests an increased risk of trisomy 21 in the fetus. 

PlayAdd to Share

Case information

rID: 71652
Published: 16th Oct 2019
Last edited: 17th Oct 2019
System: Obstetrics
Inclusion in quiz mode: Included

Updating… Please wait.

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

 Thank you for updating your details.