There are several challenges in aggregating health records from multiple sources,
including merging data, preserving proper attribution, and allowing corrections.
unfortunately, standards for exchanging medical records data, such as CCR and CCD,
tend to focus on representing particular clinical data as some subset of a
patient’s complete record. This provides a snapshot of a patient record, but there
is very little to describe how a sequence of changes to the record should be
interpreted as a coherent whole.there is something available that gives us the data
aggregation, conflict resolution, and audit trail that what we want: the Wave