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The vision of an electronic healthcare record is achievable and pieces of the requisite technology are in place. More importantly, with their investments in networks and departmental and enterprise-wide systems, many hospitals have implemented data gathering, storage and analysis capabilities that position pieces of their electronic record of the future.
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To summarize this discussion, let us look at a prototype, a capsule scenario in an OS. You make a process creation request on your local timeshare system. The long-term scheduler queues up this request, and eventually creates the corresponding process. Your process takes its turns executing, scheduled by the short-term scheduler. You request a tape drive to retrieve some archived data you need, and thus invoke the resource manager. You use the file manager to access the archived data. You use the I/O system to interact with the application program and to print the reports. The memory manager is swapping pages of your data and program between main memory and secondary memory. The dispatcher in the kernel is loading your process context into the CPU when your process is next on the execute list. The interrupt handler in the kernel is servicing interrupt requests, such as those made when you do I/O to the tape. The concurrency control in the kernel is coordinating your updating and spooled printing activities. So, your process is invoking activities throughout the various layers of the OS. Most of the time, you are unaware of these many varied activities.
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Optical disk technology is a move to the future. It is an exciting time to brave the new frontiers and change from a manual to an optical disk system. Since the technology is so new in health care environments and because each facility is unique, there is no "right" way to do optical imaging. Opportunities flourish to "do it your way." The process is challenging and time consuming, but the rewards of providing health information users with a quality record system make the investment worthwhile. Complete, thorough planning and education will ease the transition to tomorrow's system. Stop dreaming, make a commitment, and move forward--optical disk systems in health care are achievable successes!
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The number of document imaging systems installed in healthcare facilities will approach 100 in 1993, according to a results of a recent study conducted by International Data Corp., Framington, Mass. That number represents an annual growth rate of 125 percent, up from a mere nine systems--valued at $4.85 million--installed in 1990. This robust growth rate is expected to moderate to 42 percent annually, to 189 systems worth $48.7 million, by 1995.
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