Articles

Find answers to your health-related questions in our Ilustrated Health Encyclopedia

  • Disease

    Ulcerative colitis

    The esophagus, stomach, large and small intestine, aided by the liver, gallbladder and pancreas convert the nutritive components of food into energy and break down the non-nutritive components into waste to be excreted.

    Ulcerative colitis is a condtion in which the lining of the large intestine (colon) and rectum become inflamed. Ulcerative colitis is a form of inflammatory...

  • Symptoms

    Ulcers

    An ulcer is a crater-like lesion on the skin or mucous membrane caused by an inflammatory, infectious, or malignant condition. To avoid irritating an ulcer a person can try eliminating certain substances from their diet such as caffeine, alcohol, aspirin, and avoid smoking.  Patients can take certain medicines to suppress the acid in the stomach causing the the erosion of the stomach lining.  Endoscopic therapy can be used to stop bleeding from the ulcer.

    An ulcer is a crater-like sore on the skin or . Ulcers form when the top layers of skin or tissue have been removed. They can occur in the mouth, stomach,...

  • Disease

    Ulnar nerve dysfunction

    The ulnar nerve originates from the brachial plexus and travels down arm.  The nerve is commonly injured at the elbow because of elbow fracture or dislocation. The ulnar nerve is near the surface of the body where it crosses the elbow, so prolonged pressure on the elbow or entrapment of the nerve may cause damage. Damage to the ulnar nerve may involve impaired movement or sensation in the wrist and hand.

    Ulnar nerve dysfunction is a problem with the nerve that travels from the shoulder to the hand. This is called the ulnar nerve. It helps you move your hand...

  • Test

    Ultrasound

    Ultrasound in pregnancy

    A pregnancy ultrasound is an imaging test that uses sound waves to create a picture of how a baby is developing in the womb. It is also used to check the...

  • Test

    Ultrasound

    Abdominal ultrasound is a scanning technique used to image the interior of the abdomen. Like the X-ray, MRI, and CT scan, it has its place as a diagnostic tool. Ultrasound scans use high frequency sound waves to produce an image and do not expose the individual to radiation. The procedure is painless and safe.

    Ultrasound uses high-frequency sound waves to make images of organs and structures inside the body.

  • Special Topic

    Umbilical catheters

    Umbilical catheter

    A catheter is a long, soft, hollow tube. An umbilical artery catheter (UAC) allows blood to be taken from an infant at different times, without repeated...

  • Special Topic

    Umbilical cord care in newborns

    The umbilical cord connects the baby to the mother's placenta. During fetal development in the womb, the umbilical cord is the lifeline to the baby supplying nutrients. After birth, the cord is clamped and cut. Eventually between 1-3 weeks the cord will become dry and will naturally fall off. During the time the cord is healing it should be kept as clean and as dry as possible.

    When your baby is born the umbilical cord is cut and there is a stump left. The stump should dry and fall off by the time your baby is 5 to 15 days old. Keep...

  • Disease

    Umbilical hernia

    An umbilical hernia is a protrusion of the peritoneum and fluid, omentum, or a portion of abdominal organ(s) through the umbilical ring.  The umbilical ring is the fibrous and muscle tissue around the navel (belly-button). Small hernias usually close spontaneously without treatment by age 1 or 2. Umbilical hernias are usually painless and are common in infants.

    An umbilical hernia is an outward bulging (protrusion) of the lining of the abdomen or part of the abdominal organ(s) through the area around the belly button.

  • Surgery

    Umbilical hernia repair

    Umbilical hernia repair is surgery to repair an . An umbilical hernia is a sac (pouch) formed from the inner lining of your belly (abdominal cavity) that...

  • Injury

    Unconsciousness - first aid

    Unconsciousness is when a person is unable to respond to people and activities. Often, this is called a coma or being in a comatose state. Other changes in...