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An Evaluation of the Drug Calculation Skills of Registered Nurses in the Critical Care Department at a Tertiary Hospital in KSA

Background: Mathematical skills are essential for nurses to

ensure the accuracy of drug dose before performing

medication administration and also important in prevent

medication errors.

Objective: This study are to evaluate the drug calculation

skills of critical care department (CCD) registered nurses at

King Saud Medical City. A Convenience sample size of 220

CCD nurses 200 completed questionnaire and drug

calculation competency skill test.

Method: A cross-sectional survey with drug calculation

competency test for CCD nurses. Data analysis was

conducted using SPSS (Statistical Package for the Social


Result: According to data analysis, 13.9% of participant

nurses were unable to get score >80% on drug calculation

test. Average score on the skill test exam was 86.1%

(SD=0.50). The Largest proportions of incorrect answers

were in vasopressors dose calculation.

Conclusion: This article highlighted drug calculation errors

were significant in critical care nurses. The common causes

of medication errors according to surveyed nurse’s feedback

related to frequently changing medication orders, nurses

suffer from workload.

Author(s): Adel Musbah Awajeh*, Marwan Rasmi Issa, Anas Abuelian, Sandra L Holmes, Ashraf Hussein and Pejay J Parameaswari

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Abstracted/Indexed in
  • China National Knowledge Infrastructure (CNKI)
  • Cosmos IF
  • Secret Search Engine Labs