What is ventricular septal defect (VSD)?
A ventricular septal defect (VSD) is often referred to as a hole in the heart. This is a congenital heart defect (a birth defect that affects the heart’s development before birth).This condition is characterised by an abnormal opening in the wall between the main pumping chambers of the heart. The right ventricle and left ventricle of the heart are separated by shared wall, called the ventricular septum. Children with a VSD have an opening in this wall. As a result:
- When the heart beats, some of the blood in the left ventricle (which has been enriched by oxygen from the lungs) flows through the hole in the septum into the right ventricle.
- In the right ventricle, this oxygen-rich blood mixes with the oxygen-poor blood and goes back to the lungs.
- The blood flowing through the hole creates an extra noise, which is known as a heart murmur. Doctors can hear the heart murmur when they listen to the heart with a stethoscope
Types of ventricular septal defect (VSD)
Depending on the location of the defect on the septum, the VSD can be classified as:
- Conoventricular Septal Defect: When the hole is located at the meeting point of two ventricles just below the the pulmonary and aortic valves, it is referred to as conoventricular septal defect.
- Perimembranous Ventricular Septal Defect: The defect is present as a hole in the upper part of the ventricular septum.
- Inlet Ventricular Septal Defect: Here the defect is present at the septum from which the blood enters the ventricles through the tricuspid and mitral valves. This type of ventricular septal can be seen in combination with another heart defect like atrioventricular septal defect (AVSD).
- Muscular Ventricular Septal Defect: In this condition, the defect or the hole is seen on the muscular part of the ventricular septum. This is the most common type of ventricular septal defect.
| Procedure Name | Ventricular Septal Defect (VSD) |
|---|---|
| Type of Surgery | Major |
| Type of Anesthesia | General Anaesthesia |
| Procedure Duration | Approximately 2 Hours |
| Recovery Duration | Few weeks to months for complete recovery |













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