Heart Murmur Symptoms: What You Need to Know

Introduction

A heart murmur is an abnormal sound that can be heard when a doctor listens to your heart with a stethoscope. It is often described as a whooshing or swishing sound. While some heart murmurs are harmless (innocent murmurs), others may indicate an underlying heart condition.

Common Symptoms of Heart Murmurs

Heart murmurs themselves do not always cause symptoms, but when they are associated with underlying heart disease, they can lead to:

1. Shortness of Breath

  • Difficulty breathing, especially during physical activity or at rest.
  • May indicate a problem with heart valves or heart function.

2. Chest Pain or Discomfort

  • Can be a sign of valve disorders or cardiac strain.
  • Requires medical evaluation if persistent.

3. Fatigue

  • Feeling excessively tired or weak, even with normal activities.
  • Suggests inefficient blood circulation due to valve problems.

4. Dizziness or Fainting (Syncope)

  • May occur due to poor blood flow to the brain.
  • Can be associated with serious heart conditions, such as aortic stenosis.

5. Swelling in the Legs, Feet, or Abdomen (Edema)

  • Occurs when the heart struggles to pump blood effectively, leading to fluid buildup.

6. Bluish or Pale Skin (Cyanosis)

  • Indicates insufficient oxygen supply, often seen in congenital heart defects.

7. Irregular Heartbeat (Arrhythmia)

  • Can be felt as palpitations, skipped beats, or a racing heart.

When to See a Doctor

While some heart murmurs are harmless, you should see a doctor if you experience any of these symptoms. Diagnostic tests such as echocardiography or an electrocardiogram (ECG) may be needed to determine the cause.

Conclusion

Heart murmurs can be harmless or a sign of a serious condition. Recognizing symptoms early and seeking medical advice is essential for proper management and treatment.

Source recommendations

1. American Heart Association Guidelines on Heart Murmurs

  1. https://www.heart.org/en/health-topics/heart-murmurs
  2. https://www.ahajournals.org/doi/10.1161/CIR.0000000000000923
  3. https://www.heart.org/en/health-topics/heart-valve-problems-and-disease/heart-valve-problems-and-causes/innocent-heart-murmur
  4. https://www.heart.org/en/healthy-living/fitness/fitness-basics/aha-recs-for-physical-activity-in-adults
  5. https://www.heart.org/

2. European Society of Cardiology Guidelines on Valvular Heart Disease

  1. https://www.escardio.org/Guidelines/Clinical-Practice-Guidelines/Valvular-Heart-Disease-Guidelines
  2. https://academic.oup.com/eurheartj/article/43/7/561/6358470
  3. https://pubmed.ncbi.nlm.nih.gov/34453165/
  4. https://www.ahajournals.org/doi/10.1161/CIR.0000000000000923
  5. https://pubmed.ncbi.nlm.nih.gov/17259184/

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