Shachter Cardiology Blog

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01 Oct, 2025

Exploring Heart Murmurs: Types, Causes, and When to Seek Help

Heart murmurs are sounds made by turbulent blood flow within the heart. They can be innocent or indicate underlying heart conditions. Understanding the different types of murmurs, their causes, and the importance of seeking medical advice can empower individuals to take charge of their heart health.

What is a Heart Murmur?

A heart murmur is an unusual sound heard during a heartbeat, often described as a whooshing or swishing noise. These sounds are detected using a stethoscope and can occur in people of all ages.

Types of Heart Murmurs

Heart murmurs are categorized into two main types:

  • Innocent Murmurs: Often found in children, innocent murmurs are harmless and typically resolve on their own as the child grows. They are usually caused by increased blood flow in the heart, often during times of growth or excitement.
  • Abnormal Murmurs: These may indicate a more serious underlying heart issue. Abnormal murmurs can arise from various conditions affecting the heart’s structure or function.

Causes of Heart Murmurs

Several factors can lead to the development of heart murmurs:

  • Congenital Heart Defects: Structural issues present at birth can cause abnormal blood flow.
  • Valve Issues: Conditions such as stenosis (narrowing) or regurgitation (leaking) of heart valves can create turbulent blood flow.
  • Infections: Endocarditis, an infection of the heart lining, can lead to murmurs.
  • Anemia: Low red blood cell counts can increase blood flow speed, causing murmurs.
  • Fever: Temporary murmurs can occur during episodes of fever due to increased heart rate and blood flow.

Symptoms Associated with Heart Murmurs

Innocent murmurs typically do not cause any symptoms. However, abnormal murmurs might be accompanied by:

  • Shortness of breath
  • Chest pain
  • Fatigue
  • Swelling in the legs or abdomen
  • Irregular heartbeats

When to Seek Medical Attention

If you or your child has been diagnosed with a heart murmur, it is crucial to understand when to seek medical attention. Consult a healthcare provider if:

  • Symptoms of heart problems appear, such as those listed above.
  • The murmur is new or has changed over time, especially in adults.

Diagnosis of Heart Murmurs

Diagnosing the type and cause of a heart murmur involves several steps:

  • Physical Examination: A healthcare provider listens to the heart using a stethoscope to assess the sound and determine its characteristics.
  • Medical History: Discussing family history and any related symptoms can provide important context.
  • Diagnostic Tests: Further testing may include echocardiograms, chest X-rays, EKGs, or cardiac MRI to evaluate the heart’s structure and function.

Treatment Options for Abnormal Murmurs

Treatment for abnormal heart murmurs depends on the underlying cause:

  • Medications: Some conditions may require medications to manage symptoms or prevent complications.
  • Surgery: Structural problems, such as valve issues, may necessitate surgical intervention.
  • Regular Monitoring: Some murmurs may only require regular check-ups to monitor changes over time.

Living with a Heart Murmur

For those diagnosed with a heart murmur, maintaining a heart-healthy lifestyle can be beneficial:

  • Eating a balanced diet rich in fruits, vegetables, whole grains, and lean proteins.
  • Engaging in regular physical activity suited to individual capability.
  • Managing stress through relaxation techniques, such as yoga or meditation.
  • Avoiding smoking and limiting alcohol intake.

Conclusion

Heart murmurs can range from innocent to serious, and understanding their implications is crucial for heart health. Regular check-ups and open communication with healthcare providers can help manage any concerns related to heart murmurs. If you notice any changes in your heart health or experience symptoms, do not hesitate to seek medical advice.

Disclaimer: This blog post is intended for informational purposes only and should not be considered medical advice. Always consult a healthcare professional for medical concerns or questions.


Disclaimer: This article is for educational purposes only and does not constitute medical advice. Always consult a qualified healthcare professional.

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