Heart Murmur in Babies: Causes, Symptoms, and Treatment

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Heart murmurs are not uncommon in babies, and they can be a cause of concern for parents. A heart murmur is an extra sound that the doctor might hear when listening to your baby's heart. While some heart murmurs are harmless, others might indicate a more significant problem with your baby's heart. It's important to understand the causes, symptoms, and treatment options for heart murmurs in babies.

If you've just learned that your baby has a heart murmur, you might feel anxious and worried. However, it's essential to keep in mind that many heart murmurs in babies are innocent and do not require any treatment. Innocent murmurs happen because of the way blood flows through a baby's heart, and they often resolve on their own without any intervention. On the other hand, some heart murmurs can be a sign of heart disease or other health problems that require immediate medical attention.

It's crucial to pay attention to your baby's symptoms if they have a heart murmur. Symptoms of a problematic heart murmur can include poor feeding, poor weight gain, rapid breathing, sweating, and bluish or pale skin. If your baby shows any of these symptoms or if the doctor suspects that the heart murmur is more than just innocent, they may recommend further tests and treatment, which could include medication or surgery.

Overall, getting an accurate diagnosis and finding the right treatment for your baby's heart murmur is essential to ensure their healthy development. In this article, we'll explore the different types of heart murmurs in babies, causes, symptoms, and treatment options. We hope that by reading this article, you'll have a better understanding of heart murmurs in babies and know what to expect if your little one is diagnosed with one.


Understanding Heart Murmurs in Babies

Heart murmurs in babies are not uncommon and can be a cause of concern for parents. They occur when there is an extra sound heard by the doctor while listening to a baby's heart. This article will explore the different types of heart murmurs, causes, symptoms, and treatment options.

The Different Types of Heart Murmurs in Babies

There are two types of heart murmurs in babies – innocent and abnormal. Innocent murmurs are harmless sounds caused by the flow of blood through the baby's heart and do not require any treatment. Abnormal murmurs can be a sign of an underlying heart problem that needs immediate medical attention.

Innocent Heart Murmurs

Innocent heart murmurs are the most common type of heart murmur in babies, occurring in up to 50 percent of infants. These murmurs are considered harmless and often resolve on their own without any intervention. They may sound like a humming or whistling noise and usually disappear by the time the child is around six months old.

Abnormal Heart Murmurs

Abnormal heart murmurs are less common and can be a sign of an underlying heart problem. If the doctor suspects an abnormal heart murmur, they may recommend further tests and treatment.

Causes of Heart Murmurs in Babies

Most innocent heart murmurs are caused by the flow of blood through the baby's heart. Other causes of heart murmurs in babies can include structural abnormalities, infections, and other health conditions.

Symptoms of Heart Murmurs in Babies

If your baby has a heart murmur, it's important to watch for any signs or symptoms of a problematic murmur. Symptoms can include poor feeding, poor weight gain, rapid breathing, sweating, and bluish or pale skin.

Treatment Options for Heart Murmurs in Babies

Innocent heart murmurs do not require any treatment and often resolve on their own. However, abnormal heart murmurs may require further tests and treatment. Treatment options can include medication or surgery, depending on the underlying cause of the murmur.

Comparison of Innocent and Abnormal Heart Murmurs

Innocent Heart Murmurs Abnormal Heart Murmurs
Cause Flow of blood through the baby's heart Underlying heart problems
Symptoms No symptoms Poor feeding, poor weight gain, rapid breathing, sweating, and bluish or pale skin
Treatment No treatment required Further tests and treatment, including medication or surgery

Opinion

It's essential to understand that many heart murmurs in babies are innocent and do not require any treatment. However, it's crucial to pay attention to your baby's symptoms if they have a heart murmur. If the doctor suspects an abnormal heart murmur, follow their recommendations for further tests and treatment. Getting an accurate diagnosis and finding the right treatment is essential to ensure your baby's healthy development.


Thank you for taking the time to read our article about heart murmurs in babies. We understand that it can be scary and overwhelming to discover that your little one has a health condition, but we hope this article has provided you with some useful information and reassurance.

If your baby has been diagnosed with a heart murmur, remember that not all murmurs require treatment or intervention. However, it is important to follow up with your pediatrician and any specialists as recommended to ensure proper monitoring and care. Trust your instincts as a parent and don't hesitate to seek a second opinion if you have concerns or questions about your baby's health.

Lastly, remember that you are not alone. Many parents have gone through or are going through similar situations with their babies. Seek support from loved ones, join parent groups or online communities, and ask for help when needed. With proper care and attention, many babies with heart murmurs go on to live happy, healthy lives.


Heart murmur in babies is a common condition that refers to an extra sound heard during a heartbeat. Here are some frequently asked questions about heart murmurs in babies, along with their answers:

  1. What causes heart murmurs in babies?

    Heart murmurs in babies can be caused by a number of factors, including:

    • Structural problems with the heart
    • Abnormal blood flow
    • Valve problems
    • Holes in the heart
  2. What are the symptoms of heart murmurs in babies?

    Most often, heart murmurs in babies do not cause any symptoms. However, if the heart murmur is caused by an underlying condition, the baby may have symptoms such as:

    • Difficulty breathing
    • Poor feeding
    • Sweating
    • Fatigue
    • Pale skin
  3. How is a heart murmur in a baby diagnosed?

    A pediatrician or cardiologist can diagnose a heart murmur in a baby by listening to the baby's heartbeat with a stethoscope. They may also order additional tests such as an echocardiogram or electrocardiogram.

  4. Is treatment necessary for a heart murmur in a baby?

    In most cases, no treatment is needed for a heart murmur in a baby. However, if the heart murmur is caused by an underlying condition, treatment may be necessary. Treatment options may include medication or surgery.

  5. Can heart murmurs in babies go away on their own?

    Some heart murmurs in babies may go away on their own as the baby grows and develops. However, if the heart murmur is caused by an underlying condition, it may not go away without treatment.