Atrial septal defect: Closure in the heart catheterization lab

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An atrial septal defect is an opening in the membrane between two chambers of the heart. Learn about heart catheterization to fix atrial septal defects.

Key points

  • An atrial septal defect is a hole between the two upper chambers of the heart. To close the hole, the doctor will place a special device in your child's heart by catheterization.
  • If the hole is too big to close with the device or in the wrong position, the hole will be closed with surgery.
  • There is a small risk that your child will have complications from the procedure. Your child's doctor will explain the risks to you before the procedure.
  • Your child will need to have an anesthetic.
Last updated: November 6th 2009