A ventricular septal defect is a type of congenital heart disease. Congenital heart disease refers to heart problems a baby is born with. These heart problems are usually diagnosed at or before birth.
The heart is a muscular pump with four chambers. The two bottom chambers—the left ventricle and the right ventricle—are separated by a wall of tissue called a septum. A ventricular septal defect is a hole in this wall.
A very small hole may not cause problems. It may close on its own.
When the hole is large, some of the blood may flow through it from the left ventricle to the right ventricle. So the heart may pump too much blood to the lungs. Over time, this can damage the lungs and weaken the heart.
If the hole is large and the heart has to work too hard, a baby may have symptoms, such as:
Your doctor may hear abnormal heart sounds, such as a heart murmur, when examining your newborn.
Your doctor will order tests to find the cause of abnormal sounds or of symptoms. The most common test used to diagnose this problem is called an echocardiogram, or "echo" for short. It uses sound waves to make an image of your baby's heart.
Your baby may have other tests to find the problem, such as an EKG (electrocardiogram) or a chest X-ray. Another test may look at the amount of oxygen in the blood.
A fetal ultrasound, which looks at the baby's heart, may find this problem before birth.
A baby may not need treatment to close the hole if it is small and not likely to cause symptoms or problems. Sometimes a small hole will close over time.
If the hole is larger or starts causing symptoms, your doctor may suggest a procedure or surgery to close the hole.
Your doctor will explain what symptoms to watch for at home. Regular checkups will help your doctor watch your baby for symptoms over time.
Call 911 anytime you think your baby may need emergency care. For example, call if:
Call your doctor now or seek immediate medical care if:
Watch closely for changes in your baby's health, and be sure to contact your doctor if:
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