Introduction

A congenital heart defect is a problem with the structure of the heart. It is present at birth. Congenital heart defects are the most common type of birth defect. The defects can involve the walls of the heart, the valves of the heart, and the arteries and veins near the heart. They can disrupt the normal flow of blood through the heart. The blood flow can slow down, go in the wrong direction or to the wrong place, or be blocked completely.

Doctors use a physical exam and special heart tests to diagnose congenital heart defects. They often find severe defects during pregnancy or soon after birth. Signs and symptoms of severe defects in newborns include Rapid breathing, Cyanosis-a bluish tint to the skin, lips, and fingernails, Fatigue, Poor blood circulation, Many congenital heart defects cause few or no signs and symptoms. They are often not diagnosed until children are older.

Many children with congenital heart defects don't need treatment, but others do. Treatment can include medicines, catheter procedures, surgery, and heart transplants. The treatment depends on the type of the defect, how severe it is, and a child's age, size, and general health.

Congenital heart defects (CHDs) are the most common type of birth defect. As medical care and treatment have advanced, babies with a CHD are living longer and healthier lives. Learn more facts about CHDs below. CHDs are present at birth and can affect the structure of a baby’s heart and the way it works. They can affect how blood flows through the heart and out to the rest of the body. CHDs can vary from mild (such as a small hole in the heart) to severe (such as missing or poorly formed parts of the heart). About 1 in 4 babies born with a heart defect has a critical CHD (also known as critical congenital heart defect).1 Babies with a critical CHD need surgery or other procedures in the first year of life.

Diagnosis & Treatment

Some CHDs may be diagnosed during pregnancy using a special type of ultrasound called a fetal echocardiogram, which creates ultrasound pictures of the heart of the developing baby. However, some CHDs are not detected until after birth or later in life, during childhood or adulthood. If a healthcare provider suspects a CHD may be present, the baby can get several tests (such as an echocardiogram) to confirm the diagnosis.

Treatment for CHDs depends on the type and severity of the defect present. Some affected infants and children might need one or more surgeries to repair the heart or blood vessels. Some can be treated without surgery using a procedure called cardiac catheterization. A long tube, called a catheter, is threaded through the blood vessels into the heart, where a doctor can take measurements and pictures, do tests, or repair the problem. Sometimes the heart defect can’t be fully repaired, but these procedures can improve blood flow and the way the heart works. It is important to note that even if their heart defect has been repaired, many people with CHDs are not cured. See more information about living with a CHD below.

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Current Research: Cardiology

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