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Atypical measles syndrome (AMS)
Atypical measles syndrome (AMS) An altered expression of measles, AMS begins suddenly with high fever, headache, cough, and abdominal pain. The rash may appear 1 to 2 days later, often beginning on the limbs. Swelling (edema) of the hands and feet may occur. Pneumonia is common and may persist for 3 months or more.
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Measles
Childhood infectious disease causing rash and fever. A viral infection that may cause hearing loss. It does not always lead to hearing loss, but it can cause a wide range of sensorineural hearing loss from monaural to binaural and mild to profound in degree. Measles has historically been a common childhood disease with rare complications. Mass vaccination has resulted in a dramatic decline in measles incidence, but outbreaks now occur in older populations and in infants born to women whose immunity from vaccination has deteriorated. Periodic epidemics continue to occur. The vaccine is associated with serious adverse reactions including permanent nervous system damage and thrombocytopenia (a decrease in blood platelets responsible for blood clotting with accompanying spontaneous bleeding) all resulting from autoimmune disease triggered by the vaccine. Long-term effects are unknown.
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.
Headache
Primary - includes tension (muscular contraction), vascular (migraine), and cluster headaches not caused by other underlying medical conditions. Secondary - includes headaches that result from other medical conditions. These may also be referred to as traction headaches or inflammatory headaches.
Cough
A rapid expulsion of air from the lungs typically in order to clear the lung airways of fluids, mucus, or material.
Abdominal
Relating to the abdomen, the belly, that part of the body that contains all of the structures between the chest and the pelvis. The abdomen is separated anatomically from the chest by the diaphragm, the powerful muscle spanning the body cavity below the lungs. The abdomen includes a host of organs including the stomach, small intestine, colon, rectum, liver, spleen, pancreas, kidneys, appendix, gallbladder, and bladder. The word "abdomen" has a curious story behind it. It comes from the Latin "abdodere", to hide. The idea was that whatever was eaten was hidden in the abdomen.
Pain
An unpleasant sensory or emotional experience primarily associated with tissue damage, or described in terms of tissue damage, or both.
Rash
A reddish spot or patch of irritated skin. Rashes can be caused byillnesses, allergies, and heat and are usually temporary.
Feet
The plural of foot, both an anatomic structure and a unit of measure. As an anatomic structure, the foot is the end of the leg on which a person normally stands and walks. The foot is a particularly complex structure made up of dozens of bones that work together with muscles and tendons to execute precise movements. The bones of the foot include the 10 metatarsal bones and the 28 phalanges (toe bones).
Pneumonia
Acute inflammation or infection of the lungs.
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Atypical
Not typical, not usual, not normal, abnormal. Atypical is often used to refer to the appearance of precancerous or cancerous cells.
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Attenuated
Weakened, diluted, thinned, reduced, weakened, diminished.
Attenuated familial adenomatous polyposis
An inherited predisposition to colorectal cancer characterized by fewer than 100 adenomatous polyps in the colon and rectum. It is said to be attenuated because there are fewer polyps than in classic familial adenomatous polyposis (FAP). People with attenuated familial adenomatous polyposis (AFAP) also tend to be older at the diagnosis of their polyps (average age of 44 years) and cancer (average age of 56 years), 10 to 15 years later than in classic FAP. The right side of the colon tends to be involved in AFAP and rectal involvement is rare. AFAP is transmitted in an autosomal dominant manner.
Attenuated FAP
Attenuated familial adenomatous polyposis.
Attenuated virus
"To attenuate is to weaken or to make (or become) thin. Now ""attenuate"" refers to procedures that weaken an agent of disease (a pathogen). An attenuated virus is a weakened, less vigorous virus. A vaccine against a viral disease can be made from an attenuated, less virulent strain of the virus, a virus capable of stimulating an immune response and creating immunity but not causing illness."
Atypical
Not typical, not usual, not normal, abnormal. Atypical is often used to refer to the appearance of precancerous or cancerous cells.
Atypical measles syndrome (AMS)
Audiogram
A test of hearing at a range of sound frequencies.
Audiologist
A health care professional who is trained to evaluate hearing loss and related disorders, including balance (vestibular) disorders and tinnitus (ringing in the ears) and to rehabilitate individuals with hearing loss and related disorders. An audiologist uses a variety of tests and procedures to assess hearing and balance function and to fit and dispense hearing aids and other assistive devices for hearing.
Audiometry
The measurement of hearing.
Auditory acuity
The clarity or clearness of hearing, a measure of how well a person hears. Auditory acuity is what is measured when determining the need for a hearing aide and monitoring the ability to hear.
Auditory aphasia
Impairment in the understanding of auditory language and communication. Sounds are heard but they convey no meaning. The 20th century Russian composer Vissarion Shebalin had auditory aphasia after a stroke but remained an outstanding composer. The comprehension of auditory language and the musical organization of acoustic perception rely on different systems in the brain. Auditory aphasia is also known as acoustic aphasia and word deafness.
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