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Tachycardia is a fast heart rate and there are several types that affect babies and children. All are treatable, but some are less serious than others.

TARGET Program

TARGET is a group treatment program within the Department of Child & Adolescent Psychiatry that helps kids, adolescents and teens get connected to mental health treatment more quickly than if they were to wait for treatment with an individual provider.

Tarsal Coalition

An abnormal connection present between two of the bones of the foot near the ankle, leading to limited motion and pain in the foot.


Lurie Children's offers pediatric telemedicine for virtual outpatient appointments. Learn more about virtual visits with your physician and care team by video or telephone.

Tennis Elbow

Also called lateral epicondylitis, an overuse injury to the tendons that originate at the outside of the elbow.

Testicular Regression

Also called testicular regression syndrome, anorchia, empty scrotum, and vanishing testes, the gonads are undeveloped and absent.

Testicular Torsion

A medical emergency in which a boy’s testicle twists and is deprived of its blood supply; emergency surgery will usually be needed to save the testicle.

Testicular Tumors - Testicular Cancer

A lump or swelling in either testicle or pain or discomfort in a testicle or the scrotum is not always cancer, but an evaluation should be made by a medical professional.

Tethered Spinal Cord

A congenital abnormality that results in the lower end of the spinal cord becoming fixed or attached in place.

Tetralogy of Fallot

Tetralogy of Fallot, or TOF, is a combination of four congenital heart defects and requires surgery. Learn more about TOF causes, symptoms & treatment.


A group of inherited diseases of the blood affecting the ability of the body to make hemoglobin, causing anemia; commonly found around the Mediterranean Sea.

Thalassemia Program

Lurie Children’s Thalassemia Program is the largest thalassemia treatment center in the Midwest and is a nationally designated Thalassemia Care Center recognized by the CDC.