Old healthcare software often runs on monolithic architectures built 10-15 years ago. Patient records live in rigid databases. Adding new features takes months. Integrating with modern interoperability standards (like FHIR APIs) requires workarounds that introduce security gaps. Downtime during updates puts clinical workflows at risk. Staff train on multiple disconnected systems instead of one coherent platform. The cost of maintaining this fragmented estate grows every year while the software itself becomes harder to secure and audit. By the time you recognise the problem, the technical debt has compounded so much that small changes break unexpected systems.
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