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Ventricular Septal Defects: Tests and Diagnosis

How do doctors diagnose ventricular septal defects (VSDs)?

Most ventricular septal defects are first identified by a child’s pediatrician during a routine checkup. Blood passing irregularly from the left ventricle to the right causes a “swooshing” sound, also called a murmur, that a doctor can hear while listening to the heart with a stethoscope.

If your doctor suspects your child may have VSD, he or she will request more tests to identify the size and location of the septal hole. Common tests for VSD include:

Helpful resources

If you’d like to learn more about VSD, visit: