Acute vs. Chronic Pericarditis: What’s the Difference?

Pericarditis is an inflammation of the pericardium, the membrane surrounding the heart. It can be classified into two main types: acute and chronic. Understanding the differences between acute vs. chronic pericarditis is essential for effective diagnosis and treatment.

Acute Pericarditis

Acute pericarditis typically occurs suddenly and lasts less than three months. It can have various causes, including viral infections, bacterial infections, or post-myocardial infarction. Symptoms often include:

  • Sharp, stabbing chest pain, often worse with deep breaths or lying down
  • Fever
  • Shortness of breath
  • Palpitations

Treatment for acute pericarditis usually involves anti-inflammatory medications such as NSAIDs. In more severe cases, corticosteroids may be prescribed, especially if the patient has an autoimmune disorder or if the symptoms are persistent.

Chronic Pericarditis

Chronic pericarditis, on the other hand, persists for more than three months and can be a constant condition, intermittently flaring up. It may follow an episode of acute pericarditis or develop without a prior incident. Causes can include:

  • Autoimmune diseases such as lupus or rheumatoid arthritis
  • Chronic kidney disease
  • Radiation exposure
  • Previous heart surgery

The symptoms of chronic pericarditis can be similar to those of acute, but they may also include more prolonged discomfort and fatigue. Chronic pericarditis might involve ongoing treatment with anti-inflammatory medications, and in some cases, procedural interventions like pericardiocentesis or surgery might be necessary to relieve pressure on the heart.

Key Differences

To summarize the differences between acute and chronic pericarditis:

  • Duration: Acute is less than three months; chronic lasts for more than three months.
  • Onset: Acute occurs suddenly; chronic can develop gradually.
  • Causes: While both can have overlapping causes, chronic is often associated with autoimmune diseases and chronic conditions.
  • Treatment: Acute pericarditis may resolve on its own, while chronic may require ongoing management.

Understanding the distinctions between acute and chronic pericarditis is vital for both patients and healthcare providers. Timely diagnosis and appropriate treatment can greatly influence patient outcomes and quality of life. If you experience symptoms of pericarditis, it's essential to consult a healthcare professional for a comprehensive evaluation.