What does ventricular septal defect mean?
• VENTRICULAR SEPTAL DEFECT (noun) The noun VENTRICULAR SEPTAL DEFECT has 1 sense: 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 Familiarity information: VENTRICULAR SEPTAL DEFECT used as a noun is very rare.