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Pericarditis diagnosis is usually confirmed by ECG.

Pericarditis diagnosis is usually confirmed by ECG.
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Pericarditis

Pericarditis is inflammation of the pericardium, the thin sac-like sheath around your heart. It becomes swollen and irritated. Pericarditis often causes chest pain and sometimes other symptoms.

Most people with pericarditis need monitoring and treatment to reduce the pain and swelling.

If complications develop, surgery may be needed.

Types of pericarditis

The main types of pericarditis are:

  • acute pericarditis – symptoms begin suddenly, but don’t last long
  • chronic pericarditis – symptoms develop gradually but may persist after an acute attack
  • recurring pericarditis – repeated attacks of acute pericarditis.

What causes pericarditis?

Usually the cause of pericarditis can’t be found. A viral infection is often suspected, but is difficult to confirm.

Pericarditis can also develop after a heart attack. Other less common causes include autoimmune disorders, complication of a bacterial infection, and heart or chest injury.

Pericarditis symptoms?

The most common symptom of pericarditis is chest pain.

Depending on the cause of pericarditis, symptoms may also include:

Complications of pericarditis can be:

  • constrictive pericarditis – permanent thickening and scarring of the pericardium which stops the heart beating properly, often leading to severe swelling of the legs and abdomen.

  • cardiac tamponade – a dangerous condition, where too much fluid collects in the pericardium, which puts pressure on the heart and causes blood pressure to drop dramatically. This is life-threatening and requires emergency treatment.

How is pericarditis diagnosed?

Your doctor may perform a physical examination and listen to your heart using a stethoscope. They may also run blood and other tests, and suggest that you have a chest X-ray to check the size and shape of your heart.

Pericarditis is usually confirmed by electrocardiogram (ECG), which measures the electrical activity of your heart.

How is pericarditis treated?

Treatment will depend on type of pericarditis you have, and may include:

  • non-steroidal anti-inflammatory drugs (NSAIDs) to reduce swelling
  • antibiotics, if there is a bacterial infection
  • colchicine, a prescription-only medicine often used for recurring pericarditis.

If an underlying cause is found, it will be treated where possible. You may also be monitored for potential complications.

Last reviewed: June 2015

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