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If you have symptoms of a heart problem, your doctor will perform a physical exam and order tests to determine if your heart is enlarged and to find the cause of your condition. These tests may include:
Echocardiogram.This test for diagnosing and monitoring an enlarged heart uses sound waves to produce a video image of your heart. With this test, the four chambers of the heart can be evaluated.
Your doctor can use the results to see how efficiently your heart is pumping, determine which chambers of your heart are enlarged, look for evidence of previous heart attacks and determine if you have congenital heart disease.
Stress test. A stress test, also called an exercise stress test, provides information about how well your heart works during physical activity.
An exercise stress test usually involves walking on a treadmill or riding a stationary bike while your heart rhythm, blood pressure and breathing are monitored.
Cardiac computerized tomography (CT) or magnetic resonance imaging (MRI). In a cardiac CT scan, you lie on a table inside a doughnut-shaped machine called a gantry. An X-ray tube inside the machine rotates around your body and collects images of your heart and chest.
In a cardiac MRI, you lie on a table inside a long tube-like machine that uses a magnetic field and radio waves to produce signals that create images of your heart.
Cardiac catheterization and biopsy. In this procedure, a thin tube (catheter) is inserted in your groin and threaded through your blood vessels to your heart, where a small sample (biopsy) of your heart, if indicated, can be extracted for laboratory analysis.
Pressure within the chambers of your heart can be measured to see how forcefully blood pumps through your heart. Pictures of the arteries of the heart can be taken during the procedure (coronary angiogram) to ensure that you don't have a blockage.
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