Pericarditis

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This is an inflammation of the pericardium; may be acute or chronic.

Causes

  • Infectious and non-infectious pericarditis
  • Tuberculous Pericarditis is a common cause for Pericarditis in the black race
  • Viral, bacterial, fungal or protozoal infections
  • Other causes: metabolic, malignancy, connective tissue disease, radiation, trauma etc.

Signs and symptoms

Acute pericarditis:

  • Chest pain: not always present; sharp, retrosternal, often severe and pleuritic, radiating to the left shoulder, made worse by breathing or coughing, aggravated by lying supine but relieved by sitting up and leaning forward.
  • Fever: low grade
  • Pericardial friction rub: best heard during expiration with patient sitting up, and stethoscope placed firmly against the chest

Chronic pericarditis:

Insidious onset

There may be:

  • Dyspnoea on exertion
  • Leg and abdominal swelling

Differential diagnosis

  • Endomyocardial fibrosis
  • Sarcoidosis
  • Amyloidosis

Investigations

  • Electrocardiography
  • Full blood count and differentials
  • Chest radiograph
  • Echocardiography
  • Investigate for Tuberculosis
  • ESR and CRP
  • Pericardial fluid analysis if significant effusion present

Treatment objectives

  • Relieve distress from pain and tamponade
  • Relieve constriction
  • Treat the effect on the heart
  • Treat complications
  • Eradicate the organism (if cause is infection)

Non-pharmacological treatment

  • Bed rest

Pharmacological treatment

NSAIMs (mainstay of treatment)

Indomethacin oral

50 mg orally every 8 hours

OR

Ibuprofen oral

400-800 mg orally every 12 hours

 

Steroids:

Prednisolone oral

30 mg orally every 8 hours and tapered

Anti-tuberculous drugs or other antimicrobial agents (if mycobacterium or other microbes are causative) 

Prevention

  • Avoid radiation
  • Prevent infection