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Kidney Failure What is kidney failure? Kidney failure happens when damage results in loss of normal kidney function. There are two types of kidney failure—acute and chronic. Acute kidney failure starts abruptly. It can sometimes be reversed. Chronic kidney failure progresses

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

Biliary Atresia in Children What is biliary atresia in children? Biliary atresia is a rare liver disease that occurs in newborn babies. It's often found shortly after birth. The disorder affects tubes in the liver called bile ducts. If not treated with surgery, it can be fatal

22q11.2 Deletion Syndrome in Children What is 22q11.2 deletion syndrome in children? The 22q11.2 deletion syndrome (22q11.2DS) is a genetic disorder. In children with this syndrome, a tiny piece of one of the copies of chromosome 22 is missing. This can cause many health problems

Open Neural Tube Defects (ONTDs) in Children What are open neural tube defects in children? Open neural tube defects (ONTDs) are problems with the way the brain, spinal cord, or spine forms while a baby is growing in the pregnant person’s uterus. These problems occur in about 1

Pregnancy Click on the links below to learn more about this topic. Pregnancy Overview Anatomy: Fetus in Utero The First Trimester (0 - 12 Weeks) The Second Trimester (12 - 24 Weeks) The Third Trimester (24 - 40 Weeks) The Pregnant Mother Hormones During Pregnancy Weight Gain

Topic Index - Eye Care Eye Care Home Anatomy of the Eye Eye Care Specialists Eye Examinations Correcting or Improving Vision Eye Glasses and Contact Lenses Corrective Eye Surgeries for Refractive Errors Low Vision Devices Eye Disorders Overview of Eye Disorders Age-Related

Breast Infections and Inflammations What is lactational mastitis? The most common type of breast infection is lactational mastitis. This happens when a person is breastfeeding. The nipples become cracked and sore. This allows bacteria from the baby's mouth to enter the ducts and

Allergens: Dust and Dust Mites What are dust allergens? Dust allergens are substances found in dust. They may include: Fabric fibers. Lint. Feathers. Stuffing materials. Animal protein (dander, saliva, urine, and body oils). Bacteria. Mold and fungus spores. Food particles

Warning Signs During Pregnancy What are some warning signs of possible pregnancy complications? Talk with your healthcare provider about the possible warning signs of preterm labor and other pregnancy complications. Tell your healthcare provider right away if you have any of