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Tics and Tourette syndrome are neurological disorders characterized by sudden, repetitive, involuntary movements or sounds. Tics can range from simple motor actions, such as blinking or head jerking, to complex movements or vocalizations. Tourette syndrome, a more specific form

Bleeding Disorders Many different bleeding disorders require clinical care by a physician or other health care professional. Listed in the directory below are some, for which we have provided a brief overview. Hemophilia Idiopathic Thrombocytopenic Purpura© 2000-2026 The StayWell

Immune Thrombocytopenic Purpura in Children What is immune thrombocytopenic purpura (ITP) in children? ITP is a blood disorder that causes a decrease in the number of platelets in the blood. Platelets help stop bleeding. So a decrease in platelets can result in easy bruising

Neuropsychology at Barrow Neurological Institute at Phoenix Children’s specializes in understanding and treating the cognitive, emotional and behavioral needs of children and adolescents with medical conditions that affect the central nervous system. Our dedicated team of experts

About the Heart and Blood Vessels The heart is the hardest working muscle in the human body. Located almost in the center of the chest, a healthy adult heart is the size of a clenched adult fist. By age 70, the human heart will beat more than 2.5 billion times. The heart is

The Neurosurgery program at Barrow Neurological Institute at Phoenix Children' s is committed to providing the highest quality of care to each and every child, while supporting their families through extremely challenging times. We strive to ensure that your child receives

Cholesterol, LDL, HDL, and Triglycerides in Children and Teens What is cholesterol? Cholesterol is a fat-like, waxy substance. It can be found in all parts of your child's body. It helps make cell membranes, some hormones, and vitamin D. The cholesterol in blood comes from 2

At Phoenix Children’s Hospital, patients get the best in trauma care. We bring top talents from two of our Centers of Excellence: the Barrow Neurological Institute and the Pediatric Trauma Center, which is the only verified Level 1 Pediatric Trauma Center in all of Arizona.

Arrhythmias in Children What are arrhythmias in children? An arrhythmia is an abnormal heart rhythm. When a child has an arrhythmia, abnormal electrical signals sent through the heart muscle may cause the heart to beat too fast (tachycardia), too slow (bradycardia), or in an

Aortic Stenosis in Children What is aortic stenosis in children? Aortic stenosis means that your child has a heart valve that is too narrow or is blocked. The aortic valve is one of four heart valves that keep blood flowing through the heart. The valves make sure blood flows in