“At the beginning of his primer Halamka gives definitions for all three, EHR, EMR, PHR. The difference between EHR and EMR is that the latter works within one organization only and apparently does not have to be based on “nationally recognized interoperability standards”. So the EHR is defined by its interoperability.”
Article
Lodewijk Bos, ICMCC Blog, 24 March 2009
