What causes pericarditis?
Pericarditis can be caused by infection from a virus, bacterium or fungus. Viral infections are the most common cause of pericarditis in children.
Pericarditis can result from injury to the chest. It can result following a heart attack. It can occur several weeks following heart surgery (post pericardiotomy syndrome). It can result from radiation therapy to the chest. Certain disease processes can cause pericarditis, including cancer, rheumatoid arthritis, lupus, kidney failure, AIDS/HIV infection, leukemia and autoimmune disorders. Medications that suppress the immune system can cause pericarditis. Often, the cause of pericarditis is unknown. Pericarditis occurs most often in men aged 20 to 50. It occurs in approximately 1 out of 1,000 people.
What are the symptoms of pericarditis?
Symptoms of pericarditis can include:
sharp pain behind the breastbone that increases when taking deep breaths (may radiate to the neck, shoulder, back, or abdomen) fever
pain with swallowing
swelling of the abdomen (occasionally)
ankle, feet, and leg swelling (occasionally)
How is pericarditis diagnosed?
Your doctor will listen to your heart with a stethoscope for signs of the pericardium rubbing against the heart, and for faint or distant heart sounds. He/she might also listen for signs of fluid in the space around the lungs (pleural effusion).
Certain diagnostic tests or imaging procedures can help diagnose pericarditis. They include: chest X-ray
chest MRI scan
heart MRI or heart CT scan
blood culture or...