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Hereditary Multiple Osteochondromas
Hereditary multiple osteochondromas (HMO) is a rare genetic disorder. Children develop non-cancerous (benign) bone tumors called osteochondromas. Knees, shoulders, ankles and wrists are the most common sites for osteochondromas.
Learn MoreHereditary Retinoblastoma
Learn MoreHerpangina in Children
Herpangina is a very common illness in children. It causes small blisterlike bumps or sores (ulcers) in the mouth.
Learn MoreHerpes Simplex Virus
Herpes simplex virus (HSV) is a very contagious virus that causes infections. There are two types of HSV. One type (HSV-1) usually causes sores around the lips or inside the mouth that are sometimes called fever blisters or cold sores. The other type (HSV-2) usually causes sores on the genitals.
Learn MoreHerpes Simplex Virus (Cold Sores) in Children
Cold sores are small blisters around the mouth caused by the herpes simplex virus. Once a child is infected with the virus, the virus becomes inactive (dormant) for long periods of time. It can then become active at any time and cause cold sores.
Learn MoreHeterotaxy Syndrome
Heterotaxy syndrome, also called isomerism, occurs when the heart and other organs are in the wrong place in the chest and abdomen. This complex heart condition commonly affects the lungs, liver, spleen, stomach and intestines. There are two types: right atrial isomerism and left atrial isomerism
Learn MoreHidradenitis Supperativa (HS)
Hidradenitis suppurativa (HS) is a long-term (chronic) skin condition. Plugged pores and red, tender bumps or boils begin deep in the skin around hair follicles that contain specific sweat glands called apocrine glands. The tender bumps often enlarge, break open and drain pus.
Learn MoreHigh Blood Pressure
High blood pressure, also known as hypertension, means that there is higher than normal pressure inside the arteries either during systole (when the heart contracts and pumps blood through the body), or during diastole (when the heart relaxes and fills with blood).
Learn MoreHigh Blood Pressure in Children and Teens
Blood pressure is the force of the blood pushing against the artery walls. High blood pressure (hypertension) means that the pressure inside the arteries is too high. This higher pressure may harm the arteries and cause the heart to work harder.
Learn MoreHigh Cholesterol
Cholesterol is a fatty yellow substance. It is made by your liver from the fats, carbohydrates and proteins in the food you eat. Learn more from Nationwide Children's.
Learn MoreHigh-Grade Gliomas
High-grade gliomas are fast-growing cancers that form in the brain or spinal cord. Surgery, radiation, and targeted therapies can help. High-grade gliomas are more aggressive and can grow quickly. They are the second most common type of malignant brain tumor in children.
Learn MoreHigh-Risk Newborn Blood Disorders
Detailed information on blood disorders that place a newborn at higher risk and require clinical care by a physician or other healthcare professional
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Helping Hands Patient Education Materials
Written and illustrated by medical, nursing and allied health professionals at Nationwide Children's Hospital, Helping Hand instructions are intended as a supplement to verbal instructions provided by a medical professional. The information is periodically reviewed and revised to reflect our current practice. However, Nationwide Children's Hospital is not responsible for any consequences resulting from the use or misuse of the information in the Helping Hands.