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Conditions

Understanding your child's condition is an important step on your treatment journey. Learn more about causes, symptoms and diagnosis for a variety of conditions, as well as unique treatments and research being performed at Children's National.

Aortic Stenosis

Aortic stenosis is a heart defect that causes problems with the aortic valve that make it harder for the leaflets to open and permit blood to flow forward from the left ventricle to the aorta. Learn more about this condition.

Arrhythmia

An arrhythmia is an abnormal heart rhythm. Learn more about this condition.

Atrial Septal Defect (ASD)

An atrial septal defect is an opening in the atrial septum, or dividing wall between the two upper chambers of the heart, known as the right and left atria. Learn more about this condition.

Cardiomyopathy

Cardiomyopathy is any disease of the heart muscle in which the heart loses its ability to pump blood effectively.

Heart Failure

Heart failure means your child's heart isn't able to pump as well as it should. Learn more about this condition.

Heart Murmurs

Murmurs are sounds made by blood circulating through the heart's chambers or valves, or through blood vessels near the heart. Learn more about this condition.

Hypertension

High blood pressure is also called hypertension. Learn more about this condition.

Patent Ductus Arteriosus (PDA) diagram

Patent Ductus Arteriosus (PDA)

Patent ductus arteriosus is a heart problem characterized by the persistence of a normal prenatal connection between the aorta and the pulmonary artery. Learn more about this condition.