MedicineNet

Pericarditis

Medical Author:
Medical Editor:
Medical Editor:

What is pericarditis?

The hearts sits in the center of the chest and is surrounded by a sac called the pericardium. This sac has two layers, one that fits tightly onto the heart muscle and another looser layer surrounding the inner layer. Inflammation of these tissue layers surrounding the heart is referred to as pericarditis.

Picture of the Heart in the Pericardial Sac

What causes pericarditis?

There are many causes of pericarditis. Most often the cause is unknown. Causes of pericarditis are listed below:

Idiopathic

  • The cause of the illness is not identified (although often it's the result of a minor viral illness or "cold")

Mechanical injury to the heart

Infection Bacterial

  • Viral

  • Fungal

  • HIV

Tumors or cancer

Connective Tissue Disease

Metabolic diseases

Medication Reactions

  • Side effects of certain medications can cause an immune response causing an inflammation of the pericardial sac and pericarditis. Medicines that have been implicated include phenytoin (Dilantin), hydralazine (Apresoline) and procainamide (Pronestyl, Procan-SR, Procanbid).


Patient Comments

Viewers share their comments

Pericarditis - Symptoms and Signs Question: What symptoms and signs did you experience with your pericarditis?
Pericarditis - Describe Your Experience Question: Please describe your experience with pericarditis.