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Noun: ventricular septal defect
  1. A common congenital heart defect; an abnormal opening in the septum dividing the ventricles allows blood to pass directly from the left to the right ventricle; large openings may cause congestive heart failure

Derived forms: ventricular septal defects

Type of: septal defect

Part of: Fallot's syndrome, Fallot's tetralogy, tetralogy of Fallot

Encyclopedia: Ventricular septal defect