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Atrial Septal Defect: Tests and Diagnosis


How do our doctors diagnose atrial septal defect (ASD)?

Most often, atrial septal defects (ASD) are first identified by a child’s pediatrician during a checkup. All the extra blood flow into the lungs due to the ASD causes a signature murmur, or “swooshing” sound a doctor can hear while listening to a child’s heart.

If a doctor suspects a child might have ASD, he or she will request more tests to confirm the size and location of the hole. Common tests include: