The duodenum is the first part of the small intestine. It's just past the stomach. Duodenitis is inflammation of the lining of the duodenum. This sheet tells you more about this health problem.

This topic tells what an endoscopic ultrasound (IUS) test is, how it's done, and what to expect from it.

A low-fiber diet means eating foods that don't have much fiber. They are easy to digest. Learn why your doctor may put you on this kind of diet-and what foods you can and can't eat.

You have a condition called heart failure. To treat your symptoms, you will get a special device to help keep your heart pumping normally.

Vascular access port implantation is surgery to place a port under your skin. This allows medicine or nutrition to be sent right into your bloodstream. Here's what you need to know about the procedure.

Most people who are pregnant with two or more babies have healthy pregnancies. But the risk of complications is higher than with a single baby. If you are carrying multiples, know the warning signs of possible problems.

A cerclage is a procedure to close the cervix during pregnancy. It is done to help prevent miscarriage or premature birth. Here is what you need to know about the procedure.

Pneumothorax occurs when air leaks out of the lung and is trapped in the space between the lung and the chest wall. The air presses on the lung and can cause part or all of the lung to collapse. Learn about how the condition is treated.

Glucose-6-phosphate dehydrogenase deficiency is also known as G6PD deficiency. It occurs when the body does not have enough of an enzyme called G6PD. This enzyme is needed to help the red blood cells (RBCs) do their job.

Megaloblastic anemia occurs when there are not enough healthy red blood cells (RBCs) in the body. A child with megaloblastic anemia may feel very tired or have less energy than normal. Without treatment, symptoms can become severe and cause health problems.