What is Ventricular Septal Defect murmur?

The right and left ventricles of a baby do not separate before birth. As the baby develops in the womb, a septal wall separates these two ventricles. If the wall is not fully formed, a hole remains.

This may result in a murmur that can be heard on examination, and it can be diagnosed with an echocardiogram.

This hole in the heart is called a ventricular septal defect or a ventricular septal defect. Along the septal wall, this hole can be in different places.

I had earlier shared  Atrial Septal Defect Murmur?  I hope you read the post.

apical muscular ventricular septal defect
Design by kjpargeter / Freepik

Table of Contents

Types of vsd

Muscular VSD

  • It is an opening in the lower section of the muscular portion of the ventricular septum. Immediate surgery is not required. 

Perimembranous VSD

  • This opening locates near the valves in the ventricular septum’s upper section called the membranous septum. This type of VSD is the one that is most commonly treated by surgery because most do not close on their own.

Atrioventricular canal type VSD

  • This defect under tricuspid and mitral valves.

Canal septal VSD

  • The rarest of VSDs occurs in the ventricular septum just below the pulmonary valve.

I have already covered :

Causes of vsd

  • The cause of the ventricular septal defect is not known. This defect often occurs due to congenital heart defects.
    Ventricular stenosis is very rare in adults. But, it can increase the chances of a heart attack. The chances of a severe heart attack due to VSD also increase.
  • Gene defect.
  • Chromosome abnormality.
  • Environmental exposure.


Symptoms of vsd

  • Fatigue
  • Sweating
  • Rapid breathing
  • Heavy breathing
  • Congested breathing
  • Disinterest in feeding, or tiring while feeding
  • Poor weight gain.

To learn more, you can read : When To Go To The Hospital For Rapid Heart Rate?

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What is a ventricular septal defect murmur?

Ventricular septal defects produce murmur. Blood flows abnormally from high pressure to low pressure, creating poor blood flow and murmur. A very small VSD can cause tremors on the chest.

Read: Aortic Stenosis Murmur

Ventricular septal defect icd 10

 Ventricular septal defect. icd 10 code Q21. 0.

Diagnostic evaluation

Your doctor will check your baby’s heartbeat with the help of a stethoscope, take a complete medical history, and perform other tests.

A tracheal echocardiogram (TEE) is taken by numbing the throat and then pulling a thin tube with an ultrasound device down the throat and into the esophagus, close to the heart.

The echocardiogram is an ultrasound of the heart when saline bubbles are injected into the bloodstream.

Radio and magnetic waves are used to take pictures of the heart in MRI.

Treatment of vsd

Medical management

  • ACE inhibitors decreased the body’s blood pressure, making blood easier to pump blood from the left ventricle to the body.
  • Diuretics. It removes excess fluid from the body.
  • Digoxin. It helps heart muscles to work smoothly and efficiently.       

Surgical management

  • Open heart surgery.
  • Cardiac catheterization


In children with mild defects and no symptoms, the doctor closes and monitors your child’s VSD.

The higher the success rate of surgery and the longer the results, the longer the recovery time depends on the size of the defect and any health or heart problems.

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