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Exanthem subitum
Exanthem subitum Means a sudden rash. A viral disease of infants and young children with sudden onset of high fever which lasts several days and then suddenly subsides leaving in its wake a fine red rash. The causative agent is herpesvirus type 6 so the disease is known as Sixth Disease. Also called Pseudorubella, Roseola, Roseola infantilis, and Roseola infantum.
RELATED TERMS--------------------------------------
Rash
A reddish spot or patch of irritated skin. Rashes can be caused byillnesses, allergies, and heat and are usually temporary.
Disease
Illness or sickness often characterized by typical patient problems (symptoms) and physical findings (signs). Disruption sequence: The events that occur when a fetus that is developing normally is subjected to a destructive agent such as the rubella (German measles) virus.
Fever
When body temperature rises above its normal level - defined as 98.6 degrees F, though it varies by individual and time of day. A fever is the sign of an immune system at work and usually indicates an infection.
SIMILAR TERMS--------------------------------------
Exanthem
Skin rash.
Exanthema
A skin eruption occurring as a symptom of an acute viral or coccal disease, as in scarlet fever or measles.
PREVIOUS AND NEXT TERMS--------------------------------------
Ewing sarcoma
A type of bone tumor that occurs in children and adolescents, most often in the large bones of the arms and legs and the flat bones of the pelvis, spine and ribs. The tumor is caused by a chromosome abnormality, called a translocation (an exchange of material), most commonly between chromosomes 11 and 22 that occurs by chance alone in a single cell which divides to form the malignant clone (colony) of cells.
Exacerbation
A worsening. In medicine, exacerbation may refer to an increase in the severity of a disease or its signs and symptoms. For example, exacerbation of asthma is one of the serious effects of air pollution.
Exaggerated startle disease
A genetic disorder also known as hyperexplexia in which babies have an exaggerated startle reflex (reaction).
Examination, digital rectal (DRE)
An exam done to detect abnormalities that can be felt (palpated) from within the rectum. The doctor inserts a lubricated, gloved finger into the rectum and feels for anything that is not normal. The digital rectal exam is an important screening test for the detection of tumors of the rectum and prostate abnormalities, including benign enlargement of the prostate (benign prostatic hyperplasia) and cancer of the prostate.
Examination, postmortem
An autopsy. Also called a necropsy.
Exanthem subitum
Excess iron
Iron overload can damage the heart, liver, gonads and other organs. Iron overload is a particular risk for: People with certain genetic conditions such as hemochromatosis; and People receiving repeated blood transfusions.
Excess selenium
Too much selenium (selenosis) which may cause reversible balding and brittle nails, give a garlic odor to the breath, and cause intestinal distress, weakness and slowed mental functioning. People who chronically consume more than the tolerable upper intake level (UL) of selenium -- in adults, the UL is 400 micrograms per day of selenium -- are at risk for developing selenosis.
Excessive daytime sleepiness
A neurological disorder in which there is a sudden recurrent uncontrollable compulsion to sleep. Excessive daytime sleepiness is also known as narcolepsy.
Exchange, gas
The primary function of the lungs involving the transfer of oxygen from inhaled air into the blood and the transfer of carbon dioxide from the blood into the exhaled air.
Excimer laser
A laser that emits very concentrated light in the ultraviolet (UV) region of the spectrum.
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