experience with quality assurance programme on Coulter model S7

ABSTRACT

A program of quality assurance technique was carried on Coulter Model S7 in Ain Shams Specialized Hospital. The main procedure used in calibration was using fresh whole blood analysed by either manual techniques, or the use of well calibrated digital counter. Monitoring quality control was also carried out by using data derived from patient specimens. Quality control material was not used even in calibration and even in monitoring quality performance because of their high cost, short life span and their unreliable assayed values. Some of our techniques was applied daily, others weekly or whenever needed. These methods proved to be valid, cheap and effective. It serves as a major base for quality assurance of our Coulter S7