Health Level Seven Optimized – VistA’s Newest HL7 Engine ...

VistA’s Health Level Seven Optimized (HLO) software is VistA’s newest software that supports Health Level Seven (HL7) messaging for VistA MUMPS (M) applications. ... A messaging engine, consisting of a client and a server, that sends and receives HL7 messages between systems. ... It has a user interface which is used to create a ... ................
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