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Pediatric Atrioventricular Canal (AV canal or AVC)

Key Points About an Atrioventricular (AV) Canal Defect in Children

  • An AV canal defect is a heart problem that children can be born with.
  • Children with an AV canal defect need to have surgery to repair it.
  • Many children who have had an AV canal defect will live active, healthy lives after their surgery.
Children's Team

Children's Team


Richard Jonas

Richard Jonas

Emeritus Chief, Cardiac Surgery
Senior Investigator, Center for Neuroscience Research
Our Stories

Our Stories

Penelope and sisters

Penelope's Story

Before Penelope was even born, she had a team of Children's specialists ready with a treatment plan for her heart defect.



Cardiac Surgery

Our pediatric heart surgery team performs twice the number of surgeries of any other hospital in the region, with some of the best outcomes in the nation.

Prenatal Cardiology Program

Children diagnosed with heart conditions before they are born receive comprehensive, expert care from our fetal cardiology specialists. Learn more about our Prenatal Cardiology Program.

Children's National Heart Institute

Our expert pediatric heart team, including more than 40 subspecialties, offer advanced heart care and excellent outcomes for thousands of children every year.


The pediatric heart experts at Children’s National Hospital in Washington, D.C., provide advanced care for unborn babies, children and young adults with heart conditions.