Screening

screening /screen·ing/ (skren´ing)

1. examination of a group to separate well persons from those who have an undiagnosed pathologic condition or who are at high risk.

2. fluoroscopy (Great Britain).

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antibody screening  a method of determining the presence and amount of anti-HLA antibodies in the serum of a potential allograft recipient: aliquots of the recipient's serum are mixed with a panel of leukocytes from well-characterized cell donors, complement is added, and the percentage of cells that lyse (referred to as the panel-reactive antibody ) indicates the degree of sensitization of the recipient.

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screen·ing (skrnng)

n.

1. The examination of a group of usually asymptomatic individuals to detect those with a high probability of having or developing a given disease.

2. The initial evaluation of an individual, intended to determine suitability for a particular treatment modality.

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Screening

Process through which carriers of a trait may be identified within a population.

Mentioned in: Sickle Cell Disease, Thalassemia

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screening,

n 1. an examination of individuals or their records to ascertain dental needs, assess treatment plans, or evaluate services rendered. Prescreening is the review by designated dental professionals of patients' examination records as a prerequisite to the authorization of some or all types of treatment. Postscreening is the examination by designated dental professionals, usually on a sample basis, of records to determine whether services have been rendered adequately and in accordance with prescribed administrative procedures.
2. a sample survey to determine initial treatment needs of a group seeking coverage under a dental plan; used in setting the initial premium.

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screening

1. examination of a large sample of animals in a population in order to detect the presence of disease or to ascertain the prevalence of certain diseases, such as tuberculosis or diabetes mellitus.

2. in diagnostic tests the use of a test which has a high sensitivity but often only a moderate specificity. Usually this is a quick and cheap test which is followed by a more expensive but more accurate test carried out on the positive reactors to the screening test.

3. fluoroscopy or image intensification (Great Britain).

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biochemical screening

using biochemical tests for purposes of detecting the presence of a disease.

multiphasic screening, multiple screening

simultaneous examination of a population for several different diseases.

preventive screening

screening of a population with a preventive medical program in prospect.

screening test

any test, e.g. tuberculin, brucellosis tests, used to screen a population.