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Pericardial refers to the sac around the heart. I'd be interested, too, if something is inside the sac--edema or whatever--but apparently it isn't excessive.
Since it is an "abnormal" finding, for peace of mind, give the office and call and leave a message for the doctor about your concerns. I'm sure the doctor can put everything into perspective and reassure you about the findings.
When I've had peculiar results, I've asked my doctor and she is always able to explain why in MY case, it's OK. She explained that the test results are only one piece of the puzzle and the results must be correlated with the balance of the exam.
The MOST IMPORTANT physical sign of acute pericarditis may have up to 3 components per cardiac cycle and is high-pitched, scratching, and grating. It can sometimes be elicited only when firm pressure with the diaphragm of the stethoscope is applied to the chest wall at the left lower sternal border. The pericardial friction rub is heard most frequently during expiration with the patient upright and leaning forward.
For some insight in defining and diagnosing Pericardial Effusion that may enable you to ask questions and understand the condition when talking with the doctor:
The sac that surrounds the heart is called the pericardium. If excess fluid collects in the pericardium, the condition is known as pericardial effusion. If the excess fluid accumulates slowly, the pericardium expands and attempts to continue normal function. Symptoms associated with pericardial effusion are generally not evident until a large amount of fluid has accumulated, if it has been accumulating slowly.
If the fluid accumulates quickly in the pericardium, even if it is relatively little fluid, heart function can be affected. If pericardial effusion causes compression around the heart so that the heart cannot beat properly nor pump blood adequately, the condition is known as cardiac tamponade.
Symptoms of Pericardial Effusion
Physical symptoms that point to pericardial effusion include:
severe edema (fluid retention)
low blood pressure
shortness of breath
dizziness
chest pain
cough
rapid pulse
Causes of Pericardial Effusion
Other than inflammatory types of arthritis, such as lupus and rheumatoid arthritis, there can be other causes of pericardial effusion including:
cancer
infection
kidney failure
heart surgery
hemorrhage
trauma
unknown cause
Treating Pericardial Effusion
There are cases of pericardial effusion in which the amount of fluid remains small and no treatment is required. If the episode of pericardial effusion is due to one of the inflammatory types of arthritis, anti-inflammatory medications (i.e., NSAIDs, corticosteroids) may improve the situation. When the pericardial effusion is more severe, it is usually drained using a needle which is passed through the chest wall and into the space where the fluid is located. In rare instances, surgery is required to drain the fluid.
Sometimes an enlarged heart is mistaken for pericardial effusion, but your echo M-mode dimensions are within acceptable range, and your EF is normal...so that condition may be ruled out.