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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 1 of 4 heart valves that keep blood flowing through the heart. The valves make sure blood flows in only

Phoenix Children’s provides care for babies who are born early or with complex medical conditions and need specialized care -- in the NICU and for the early part of their lives. After your baby leaves the NICU, our Newborn Early Screening Team (NEST) provides an in-depth

Milk Allergy Diet for Children General guidelines for milk allergy When your child has a food allergy, they must follow an allergy-free diet. This means your child can't have the food they are allergic to or any products containing that food. The items that your child is allergic

Mold What is mold? Mold is a member of the fungus family. It's rarely killed by heat or cold exposure. Mold stays inactive (dormant) until a certain season, such as spring or fall, or when favorable environmental conditions appear. Then it grows and thrives. Where does mold grow

It’s estimated that five to 10 children out of 100 will develop nonalcoholic fatty liver disease. Implementing a healthy lifestyle for our patients is key to treating the disease — but we know this takes time. To help patients adjust their diet and increase physical activity, we