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Health Encyclopedia D and C 06/16/2010
Dilatation and curettage; Uterus scraping Description: D and C, also called uterine scraping, may be performed in the hospital or in a clinic while you are under general or local anesthesia. The health care provider will insert an instrument called a speculum into the vagina.
Health Encyclopedia D-xylose absorption 01/20/2010
Xylose tolerance test How the test is performed: The test requires a blood and urine sample. For information on how these samples are obtained, see: Clean catch urine specimen Venipuncture (blood draw) There are several ways to perform this test.
Health Encyclopedia Dacron graft 08/11/2009
Review Date: 8/11/2009 Reviewed By: David C.
Health Encyclopedia Dacryoadenitis 08/22/2008
Dacryoadenitis is an inflammation of the tear-producing gland (lacrimal gland). Causes, incidence, and risk factors: Acute dacryoadenitis is most commonly due to viral or bacterial infection. Common causes include mumps , Epstein-Barr virus , staphylococcus, and gonococcus. Chronic dacryoadenitis is usually due to noninfectious inflammatory disorders. Examples include sarcoidosis , thyroid eye disease, and orbital pseudotumor . Symptoms: Swelling of the outer portion of the upper lid, with possible redness and tenderness Pain in the area of swelling Excess tearing or discharge Swelling of lymph nodes in front of the ear Signs and tests: Dacryoadenitis can be diagnosed by examination of the eyes and lids.
Health Encyclopedia Day care health risks 12/01/2008
Children in day care centers are more likely to catch an infection that kids who do not attend day care. Children who go to day care are often around other kids who may be sick. Respiratory infections , ear infections , and diarrhea are common at day care centers. Some research has linked asthma to day care. However, being around the large number of germs in day care may actually IMPROVE your child's immune system in the long run.
Health Encyclopedia Death among children and adolescents 12/01/2008
Accidents are, by far, the leading cause of death among children and adolescents. THE TOP THREE CAUSES OF DEATH BY AGE GROUP 0-1 years: Developmental and genetic conditions that were present at birth Sudden infant death syndrome ( SIDS ) All conditions associated with prematurity and low birth weight 1-4 years: Accidents Developmental and genetic conditions that were present at birth Cancer 5-14 years: Accidents Cancer Homicide 15-24 years: Accidents Homicide Suicide There are almost twice as many deaths in the first year of life than there are in the next 13 years total.
Health Encyclopedia Decerebrate posture 04/21/2009
Decerebrate posture is an abnormal body posture that involves the arms and legs being held straight out, the toes being pointed downward, and the head and neck being arched backwards. The muscles are tightened and held rigidly. This type of posturing usually means there has been severe damage to the brain. Considerations: A severe injury to the brain at the level of the brainstem is the usual cause of decerebrate posture. Opisthotonos (a severe muscle spasm of the neck and back) may accompany decerebrate posture in severe cases.
Health Encyclopedia Decorticate posture 04/29/2009
Decorticate posture is an abnormal posturing that involves rigidity, flexion of the arms, clenched fists, and extended legs (held out straight). The arms are bent inward toward the body with the wrists and fingers bent and held on the chest. This type of posturing is a sign of severe damage to the brain. It requires immediate medical attention. Considerations: Decorticate posture indicates damage to the corticospinal tract, the pathway between the brain and spinal cord.
Health Encyclopedia Deep brain stimulation 02/23/2010
Globus pallidus deep brain stimulation; Subthalamic deep brain stimulation; Thalamic deep brain stimulation; DBS Description: The DBS system consists of three parts: A thin, insulated wire called a lead, or electrode that is placed into the brain The neurostimulator, similar to a heart pacemaker, which is usually placed under the skin near the collarbone, but may be placed elsewhere in the body Another thin, insulated wire called an extension that connects the lead to the neurostimulator DBS requires surgery to correctly place each part of the neurostimulator system.
Health Encyclopedia Deep venous thrombosis 02/09/2010
DVT; Blood clot in the legs; Thromboembolism; Post-phlebitic syndrome; Post-thrombotic syndrome Causes, incidence, and risk factors: Deep venous thrombosis (DVT) mainly affects the large veins in the lower leg and thigh. The clot can block blood flow and cause swelling and pain. When a clot breaks off and moves through the bloodstream, this is called an embolism.
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