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210 Search results starting with "A"

Disease

Athlete's foot

Find out about this common fungal skin infection that usually starts between the toes. It can happen when feet get hot and sweaty in tight shoes.
Disease

Atopic dermatitis (eczema)

Learn about the causes, symptoms and treatments of this itchy rash that most often begins before age 5, is persistent, and has periods of clearing and relapse.
Disease

Atrial fibrillation

A fast, pounding heartbeat could be due to AFib, a type of heart rhythm disorder. Know the warning signs and when treatment is needed.
Disease

Atrial flutter

Learn more about this condition in which the heart's upper chambers beat too quickly, causing a rapid, but usually regular, heart rhythm.
Disease

Atrial septal defect (ASD)

This heart problem that is present at birth causes a hole between the heart's upper chambers. It can be treated.
Disease

Atrial tachycardia

This type of fast heartbeat may occur after heart surgery or during pregnancy. But infections may trigger it too. Learn how it's diagnosed and treated.
Disease

Atrioventricular canal defect

This congenital heart defect involves a hole in the heart. It affects blood flow through the heart valves. Learn the symptoms and how it's treated.
Disease

Atrioventricular nodal reentry tachycardia (AVNRT)

This most common type of supraventricular tachycardia, a type of irregular heartbeat, tends to occur in young women. Know the symptoms and treatment.
Disease

Attention-deficit/hyperactivity disorder (ADHD) in children

This condition affects children and may continue into adulthood. It can include having a hard time paying attention, being hyperactive and being impulsive.
Disease

Atypical genitalia

In this rare condition, a baby's genitals are not clearly male or female. Genitals may not be fully developed or the baby may have features of more than one sex.
Disease

Atypical hyperplasia of the breast

Learn how a diagnosis of atypical lobular hyperplasia or atypical ductal hyperplasia affects your risk of breast cancer and what you can do.
Disease

Atypical teratoid rhabdoid tumor (ATRT)

This rare, fast-growing brain or spinal tumor is most common in young children.
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