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Aromatase Deficiency

A hormone imbalance in a fetus where the female hormone estrogen is reduced and the male sex hormone testosterone is increased.

Arrhythmias & Electrophysiology

An abnormal rhythm of the heart resulting from damage to any part of the heart's electrical system.

Arterial Tortuosity Syndrome

A rare disease affecting the connective tissue of the body, causing abnormal twists and turns in the arteries.

Arteriovenous Malformations

Abnormal masses of blood vessels that develop while an unborn baby is growing inside the mother’s uterus.


A syndrome of multiple joint contractures and webbing caused by decreased movement in utero.


A fluid build-up in the abdominal cavity.


Asthma is common chronic illness in children, with symptoms such as cough, wheezing, shortness of breath, and more. Learn more about children's asthma.

Asthma Program

Lurie Children’s Asthma Program treats more kids with asthma than any other area hospital or medical center. Learn more about available treatment options.


An abnormal performance of voluntary acts, especially abnormal walking.

Athlete Burnout

A condition in which an athlete experiences fatigue and declining performance in his/her sport despite continuing or increased training.

Atrial Septal Defect

An opening between the heart's two upper chambers, which lets some blood from the left atrium return to the right atrium instead of flowing to the body.

Atrioventricular Canal

When the common valve between the upper and lower chambers doesn't close properly, allowing blood to leak backward from the heart's lower chambers to the upper ones.

Awards & Accolades

Lurie Children's is proud to be recognized for the following awards, accolades and achievements.

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