Definition The pericardium is a sac-like structure that surrounds the heart. Inflammation of the heart sac, called pericarditis, can be due to infections caused by bacteria.
What is going on in the body? In most cases, a person with this disease starts out having an infection, such as pneumonia, somewhere else in the body. The bacteria can then get into the bloodstream and reach the heart. Infection of the heart sac results in bacterial pericarditis, which is life threatening.
What are the signs and symptoms of the disease? People with this disease are often male, between the ages of 20 and 50.
A person with this disease usually appears quite ill. Symptoms may include:
What can be done to prevent the disease? Early treatment of certain infections, such as pneumonia, with antibiotics may prevent some cases. Many cases cannot be prevented.
How is the disease diagnosed? A doctor may suspect this disease after taking a person's health history and doing a physical examination. An ECG, or electrocardiogram, and chest x-ray may show certain changes. Heart function and fluid accumulating around the heart can be seen by a special x-ray test. This test, called echocardiography, uses ultrasound waves to get an image of the beating heart.
Some of the fluid around the heart may be removed with a needle inserted through the chest. This fluid can be sent to the laboratory for analysis. This allows the bacteria causing the infection to be identified so that the right antibiotic can be used. Blood is usually sent to the laboratory for testing as well, as it also often contains the bacteria.
What are the long-term effects of the disease? Most people recover with treatment. However, some people develop a stiff heart sac after recovery. A person with this complication often needs surgery. Death can occur in more severe cases.
What are the risks to others? This condition is not contagious. However, the infection that led to this disease, such as pneumonia, may be contagious.
What are the treatments for the disease? Antibiotics are usually the most important part of treatment. Medications to relieve pain and reduce inflammation can help relieve some of the symptoms, such as chest pain. If fluid builds up and compresses the heart, a needle may need to be placed through the chest and into the space around the heart to drain the fluid. If the heart sac becomes stiff, surgery to remove the heart sac may be needed.
What are the side effects of the treatments? All medications have possible side effects. For instance, antibiotics may cause allergic reactions and stomach upset. Surgery may result in bleeding, infection, and even death.
What happens after treatment for the disease? Most people respond well to antibiotic treatment and can return to normal activities within a few months. Even those who need surgery usually have a full recovery.
How is the disease monitored? Regular office visits and repeat echocardiogram tests are used for monitoring. A return of symptoms may represent progressive disease or the development of a stiff heart sac. Any new or worsening symptoms should be reported to the doctor.
Author: Eric Berlin, MD Reviewer: HealthAnswers Australia Medical Review Panel Editor: Dr David Taylor, Chief Medical Officer HealthAnswers Australia Last Updated: 1/10/2001 Contributors Potential conflict of interest information for reviewers available on request
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