Fetal right ventricular enlargement

Fetal right ventricular (RV) enlargement is an infrequently encountered situation in antenatal imaging.


The right ventricle is a dominant ventricle in in utero life. RV enlargement can occur with a number cardiac as well as non cardiac anomalies

Radiographic assessment

Antenatal ultrasound - fetal echocardiography

The ventricular dimensions can be easily assessed on a standard four chamber view. In the normal situation both right and left ventricles should be roughly equal in size. The right ventricle is usually the most anterior of all the chambers in a four chamber view.

Share article

Article information

rID: 15720
Tag: cases
Synonyms or Alternate Spellings:
  • In utero right ventricular enlargement
  • Prenatal right ventricular enlargement
  • Antenatal right ventricular enlargement
  • Right ventricular enlargement in utero
  • Fetal RV enlargement
  • Fetal RV dilatation
  • Fetal right ventricular dilatation

Support Radiopaedia and see fewer ads

Updating… Please wait.

Alert accept

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

Alert accept Thank you for updating your details.