الفهرس 
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Abstract
Nurses are presently responsible for the preparation and administration of medicine in most global countries. In the MAP, the nurse at the bedside is most liable to errors. It has been estimated that 19% to 26% of a nurse’s time span is spent (Westbrook et al., 2011). The MAP in an acute care setting is also a fundamental job of a nurse and is the final step manger in the medication cycle preceded by the initiation and processing of the order (Steele et al., 2018). It is believed that education of nurses is important in improving the practices of medication administration and preventing errors. The aim of the present study Assess nurse’s knowledge and practice about medication errors in critical care units. Descriptive exploratory research design was utilized to fulfill the aim of the study. The current study was carried out at five critical care units affiliated to Minia University Hospitals (traumatic intensive care unit, neurosurgical intensive care unit, cardiology care unit, chest intensive care unit, stroke unit). Convenient sample of (60) nurses on duty and work in critical care units and administer medication to their patients were included in the current study regardless of their demographic characteristics. Demographic data for the nurses working at critical care units it includes sex, age, educational level, unit name and years of experience. The questionnaire was used to assess nurses’ knowledge regarding medication
An observational checklist was developed by the researcher based on through literature review and used to evaluate nurse’s performance in medication administration. The mean average age among study sample constituted (26.7+1.30) and more than half percent among them had graduated from technical institute degree in nursing (61.6%) and the highest percentage of them constituted (51.7%) had from (1-3) years of experience of working at critical units. It is apparent that most of nurses obtained unsatisfactory knowledge level(91.7% &80%) with (Mean +SD =5.48+1.44 & Mean +SD = (3.67+1.31)) regarding general knowledge &medication administration errors respectively ,On the other hand (58.3%) only had got satisfactory level regarding Medication preparation errors with Mean +SD was (1.58+0.67)..As can be seen that the overall Mean practice score was 23.1+4.58 out of 32 .so, they gained 13.65+2.97 out of 20 in Preparation of medication. While they got unsatisfactory mean score 3.37+0.84 out of 5 in after medication administration. It was revealed that Showed that there were a fair positive correlation between critical care nurse practice after medication administration with their knowledge about medication preparation errors, their practices in medication preparation, and during medication administration. (r= .305, P – Value < .018, r= .458, P – Value < .0001, r= .467, P – Value < .0001 respectively). Likewise, there was reasonable positive relationship between critical care nurse practice during medication administration with their medication preparation (r=.549, P value < .001). It showed that there are positive correlation between total knowledge and general knowledge(R=.713,P=.00) and medication preparation(R=.322,P=.012) and medication administration errors(R=.795,P=.000). On the other hand, there is only positive correlation between total practice and Medication preparation errors (R=.287,P=.026)..However no significant correlation between total knowledge and total practice. The study recommended implementation of comprehensive, interactive, and continuous educational programs in order to enhance the knowledge and practices of nurse’s about medication administration, which will decrease their errors.