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Title: Μέθοδοι εσωτερικού ελέγχου της ποιότητας που χρησιµοποιούνται στους αναλυτές του ΙΚΑ
Authors: Καρκαλούσος, Πέτρος
Item type: Journal article
Keywords: Βιοχηµικοί αναλυτές;Εσωτερικός έλεγχος ποιότητας;Κριτήρια Westgard;∆ιάγραµµα Levey-Jennings;Biochemical analyzers;Internal quality control;Westgard criteria;Levey-Jennings diagram;WAKO;ACE;ILAB;OLYMPUS;COBAS-MIRA
Subjects: Medicine
Issue Date: 6-May-2015
Date of availability: 6-May-2015
Language: Greek
Citation: Καρκαλούσος Π. (2005) Μέθοδοι εσωτερικού ελέγχου της ποιότητας που χρησιµοποιούνται στους αναλυτές του ΙΚΑ. "Ιατρική Επιθεώρηση ΙΚΑ", 10 (4), σ. 13-19. Διαθέσιμο στο: [Έγινε Πρόσβαση: 06/05/2015].
Journal: Ιατρική Επιθεώρηση ΙΚΑ
Type of Journal: With a review process (peer review)
Table of contents: This review describes the procedures of internal quality control and its application on biochemical analyzers of IKA (Social Security Institute). Internal quality control detects the analytical errors which happen during the analyzing of patients’ samples on automatic analyzers. The analytical errors degrade the precision and the accuracy of analytical measurements. Τhe internal quality control is a statistical control procedure which based on the normal distribution and on probability theory. In daily laboratory work the internal quality control can be put into practice very easily with the use of control charts and proper control rules. The most known control chart on clinical chemistry is Levey-Jennings diagram. This diagram is very common among the biochemical analyzers of IKA (WAKO, ACE, ILAB, OLYMPUS, Cobas-Mira). Levey-Jennings diagram is a reverted normal distribution at 90 degrees. This normal distribution is created by the repetitive analysis (20-30 times) of suitable control materials. The limits of the normal distribution (mean value ± 3 standard deviations) are the upper and lower limits of Levey-Jennings diagram. The violation of these rules means analytical error which must be retrieved before the patients take their results. Levey-Jennings diagram distinguish the analytical errors in random and systematic. Nowadays the distinction of errors between random and systematic and the appreciation of their importance take place with Westgard rules. These rules have been embodied in the software of almost all the modern analyzers.
Access scheme: Publicly accessible
License: Αναφορά Δημιουργού-Μη Εμπορική Χρήση-Όχι Παράγωγα Έργα 3.0 Ηνωμένες Πολιτείες
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