Proposal: Triggered Notifications
Use case: subscribing to specific lab observations
FHIR offers a REST API that lets clients search for resources on demand. Separately, there is a Messaging API that allows notifications to be "pushed" from one place to another. But neither API provides a clean solution to a common set of real-world "triggering" or notification-type requirements.
For example, let's say Mt. Auburn Hospital's Mother and Infant Unit wants to