English for Pharmacists > Basic Level > Vocabulary > Clinical Laboratory Analysis

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Spanish English Definition
Alícuota

Aliquot
X

A measured portion of a sample.
X

Analito

Analyte
X

The chemical substance being measured in an assay, usually contained in blood or other body fluids.
X

Biomarcador

Biomarker
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Characteristic that is objectively measured and evaluated as an indicator of biological processes, pathogenic processes or pharmacological response.
X

Coeficiente de variación

Coefficient of variation
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The coefficient of variation is the relative standard deviation expressed as a percentage of the mean.
X

Control

Control
X

A serum based material with assigned target values and acceptable ranges to evaluate the accuracy and reproducibility of a diagnostic assay.
X

Datos

Data
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Values derived from scientific experiments.
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En ayunas

Fasting
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Abstaining from food (8 to 12 hours from the last meal). Patients may be advised to fast for a certain period of time prior to surgery, medical procedures, or certain blood tests.
X

Ensayo

Assay
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A diagnostic test to detect or measure the concentration or level of a particular analyte; test.
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Especificidad

Specificity
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The ability of a method to measure solely the component of interest.
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Exactitud

Accuracy
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Extent to which a measurement agrees with the true value of the analyte being assayed.
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Hemólisis

Haemolysis
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Lysis of red blood cells with liberation of haemoglobin; a haemolysed sample is red.
X

Interferencia

Interference
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A systematic error in measurement that occurs when concomitants are present in the sample being analysed.
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Media

Mean
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The arithmetic mean is calculated by dividing the sum of all results by the number of results.
X

Mediana

Median
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It is the numerical value separating the higher half of a data sample, a population, or a probability distribution, from the lower half.
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Medida

Measurement
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Determination of a dimension or quantity.
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Muestra

Sample
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Portion of material selected from a larger quantity so as to be representative of the whole; specimen.
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Plasma

Plasma
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The clear amber liquid which is derived from whole blood that has been collected in the presence of an anticoagulant in such a way as to prevent clot formation. Plasma differs from serum in that it contains all the clotting factors and fibrinogen, which are lost on clot formation.
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Precisión

Precision
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The measure of the ability to repeatedly obtain the same value for a single sample or method.
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Prueba

Test
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A procedure, reaction, or reagent used to identify or characterize a substance or constituent.
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Rango

Range
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Interval between the lowest and the highest value within a distribution data.
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Sensibilidad

Sensitivity
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The ability to detect small quantities of a measured component.
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Suero

Serum
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The clear yellowish fluid that remains from blood plasma after fibrinogen, prothrombin, and other clotting factors have been removed by clot formation.
X

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