Heart Inflammation Symptoms

Introduction

Heart inflammation, also known as myocarditis, pericarditis, or endocarditis, is a serious condition that can affect the heart muscle, the outer lining of the heart, or the inner lining and valves. Recognizing the symptoms early is crucial for timely intervention.

Types of Heart Inflammation and Their Symptoms

1. Myocarditis (Inflammation of the Heart Muscle)

  • Common Symptoms:

    • Chest pain
    • Fatigue
    • Shortness of breath (especially during activity or while lying down)
    • Rapid or irregular heartbeat (arrhythmia)
    • Swelling in legs, ankles, or feet due to fluid buildup
  • Possible Causes:

    • Viral infections (e.g., Coxsackievirus, COVID-19)
    • Autoimmune diseases (e.g., lupus, rheumatoid arthritis)
    • Reactions to medications or toxins

2. Pericarditis (Inflammation of the Outer Lining of the Heart)

  • Common Symptoms:

    • Sharp, stabbing chest pain that worsens when lying down or breathing deeply
    • Fever
    • Heart palpitations
    • Feeling weak or fatigued
  • Possible Causes:

    • Viral or bacterial infections
    • Autoimmune conditions (e.g., lupus, rheumatoid arthritis)
    • Post-heart attack or post-surgery inflammation

3. Endocarditis (Inflammation of the Inner Lining and Heart Valves)

  • Common Symptoms:

    • Fever, chills, and night sweats
    • Fatigue and weakness
    • Shortness of breath
    • Persistent cough
    • Unexplained weight loss
    • Skin rashes or small red/purple spots on the skin (petechiae)
  • Possible Causes:

    • Bacterial infections entering the bloodstream and affecting the heart valves
    • Dental infections, surgical procedures, or IV drug use

When to See a Doctor?

Seek medical attention immediately if you experience: - Severe chest pain that does not improve - Shortness of breath - Irregular or rapid heartbeat - Unexplained fever lasting more than a few days - Signs of swelling in your legs or feet

Conclusion

Heart inflammation is a severe condition that requires immediate medical evaluation and treatment. Early recognition and intervention can prevent complications like heart failure or permanent damage.

Source recommendations

1. American Heart Association Guidelines for Myocarditis

  1. https://www.jacc.org/doi/10.1016/j.jacc.2024.10.080
  2. https://www.ahajournals.org/doi/10.1161/CIRCHEARTFAILURE.120.007405
  3. https://www.heart.org/en/health-topics/myocarditis
  4. https://www.ahajournals.org/doi/10.1161/JAHA.123.031454
  5. https://www.heart.org/en/news/2022/08/22/covid-19-infection-poses-higher-risk-for-myocarditis-than-vaccines

2. European Society of Cardiology Guidelines on Cardiovascular Infections

  1. https://www.escardio.org/Guidelines/Clinical-Practice-Guidelines/Cardiovascular-Diseases-during-Pregnancy-Management-of
  2. https://academic.oup.com/eurheartj/article/42/34/3227/6358713
  3. https://www.escardio.org/static-file/Escardio/Guidelines/publications/PREGN%20Guidelines-Pregnancy-FT.pdf
  4. https://pubmed.ncbi.nlm.nih.gov/34458905/
  5. https://www.ahajournals.org/doi/10.1161/CIR.0000000000001187

3. Centers for Disease Control and Prevention (CDC) Information on Myocarditis and Pericarditis

  1. https://www.cdc.gov/vaccines/covid-19/clinical-considerations/myocarditis.html
  2. https://jamanetwork.com/journals/jama/fullarticle/2788346
  3. https://www.cdc.gov/vaccine-safety/vaccines/covid-19.html
  4. https://stacks.cdc.gov/view/cdc/123014/cdc_123014_DS1.pdf
  5. https://www.cdc.gov/vaccines/covid-19/clinical-considerations/interim-considerations-us.html

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