What Hospital Information Systems Taught Me About Reliable Software
Years spent building and maintaining hospital information systems across several operational environments taught me something that generic engineering advice rarely emphasizes: reliability in healthcare software is not a feature, it is the whole point. A hospital system does not get a maintenance window when a shift change happens at 2 a.m., and a slow query is not just a performance annoyance — it can hold up a clinical or administrative task someone is depending on right now. Working across general, military, psychiatric, and maternal-and-child facilities reinforced that different operational contexts still share the same non-negotiables: strict access control, database integrity, and traceability of who touched a record and when. This article reflects on what building for continuous, sensitive, day-to-day operation changes about how you approach uptime, change management, and access design — lessons that apply well beyond healthcare.
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