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VistA, AHLTA, CHCS: An Evolving Alternative Roadmap to the Future

The obstacles to continue moving U.S. Department of Defense (DoD) and Department of Veterans Affairs (VA) in a common direction with regard to their clinical IT systems are fairly well-known. Having made that statement, it may therefore seem strange that this blog suggests that a conceptually simple technical approach may have the potential to untie the Gordian knot that has defeated many previous efforts. The proposed approach is not some yet-to-be-developed technology that exists only on Powerpoint slides. In fact, the proposed approach is based on technology that has already been validated by the-powers-that-be – at taxpayer expense – and the official conclusion in the official report on file at the DoD(1) states unambiguously and explicitly that the technology works as claimed is scalable, and can handle very large M/Caché systems.

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Why use EWD.js with VistA rather than a standard Node.js framework?

Why indeed should the VistA development community use EWD.js instead of one of the more well-known frameworks, and why use the InterSystems interface instead of a simple TCP-based connection and a Mumps-based socket-server? Read More »