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Healthcare Systems

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Healthcare Systems
Karen D Thomas
May 27, 2012
Professor Forbes
HSA 315

Describe the systems development life cycle as it pertains to both the development of a custom application and the selection of proprietary systems. The systems development life cycle is the process of planning, selecting, implementing, and evaluating a health care information system. These four stages have several tasks within each one. The main focus of planning and analysis is the organization’s strategy. In this phase, problems are identified and selected as opportunities for improvement. The organization at this stage has to determine whether a new system is really needed, and if so if it is financially possible at the current time. Once it has been determined that a new system is needed, the needs and requirements of the users must be taken into account. This is a time consuming, but very necessary process.
By specifying what is needed, the company should be able to get a system that specifically helps them meet their goals. The second stage is design, and in this phase all options are considered. In system design, alternative solutions to problems are considered, a cost benefit analysis is performed, a system chosen, and negotiations with the vendor are completed. Once this stage is completed, the third stage, implementation, begins. The implementation phase involves allocation of resources to complete tasks. These tasks include workflow, installation of the system, testing, staff training, and preparation to go live. The fourth phase is support and evaluation. In this phase, adequate resources need to be in place in order for ongoing support and maintenance of the new system. In most industries, up to 80 percent of the IS budget is spent on maintenance. (Wager, Lee, & Glaser, 2009) Support is the longest phase of the life cycle. The difference between a custom and

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