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Point-of-care testing (POCT) could be defined as clinical laboratory testing that's carried out close to the website of patient care. POCT caters for the industry of users which need fast results from patient samples that could otherwise be sent to a dedicated distant lab (Willmott and Arrowsmith, 2010). According to Junker et al. (2010), a selection of tests including blood glucose measurement, blood gases and electrolytes, urea, creatinine, troponin, bilirubin, and coagulation testing could be carried out by POCT. Junker et al. (2010), say that the chief uses of POCT devices are in hospitals and health care practices, however, they are also utilized in different areas for example in operating theatres and intensive care wards, house visits, and the army. Although quick, results obtained on POCT devices can differ from those acquired at a laboratory, especially as POCT is normally performed by non-laboratory employees who may have limited technical knowledge and appreciation of quality problems. To ensure an accurate result, it is therefore important that a fantastic excellent process is set up to ensure the test is done properly and the equipment is adequately maintained. The diversity and evolution of technologies in the POCT field have improved dramatically over the past few years and this change has been reflected by consumer requirements. The user will need to think about the service they can provide to the individual whilst also operating within financial limitations. POCT is known to be more expensive than laboratory testing. Blood gas analysers are significant pieces of gear in extreme service locations when results are required immediately. Various analyses can be performed on one blood sample, using blood glucose analysers. Sediame et al. (1999) und...