DoD EHR implementation

See the following -

The Postmodern EHR: The Data Layer

This second approach entails defining a data layer, which is the most important aspect of the Postmodern EHR architecture from my previous post. Why is this the most important layer? Most healthcare organizations are beginning to realize that their data is more valuable than their applications. Data has become a key asset, since good data is key to improving outcomes, managing chronic disease and enabling population health management. And it needs to be managed for the lifetime of the patient. Which application is going to last that long? What happens to health data when we switch applications?