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Heart Defects

Heart defects affect about 80% of babies with trisomy 13, and 90% of babies with trisomy 18, and may be mild or life threatening.


There are tests to determine the extent of a heart defect, and these will include a physical examination and possibly blood and urine tests.

After reviewing the examinations and tests the heart specialist (cardiologist) will make recommendations about possible treatment and may want to see the child at regular intervals.


Chest X-ray: Provides information about the size and shape of the heart and the lungs.
Electrocardiogram: Electrical impulses generated by the heart beat are recorded on a graph.
Echocardiogram: High frequency sound waves create an image of the heart.


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