Woland's cat

In his recent blog post, Eric Browne highlights what may be a problem in the design of the Australian PCEHR, due to the well-known CDA feature allowing dual forms of content – text and structured, supposedly equivalent – to be stored in the one document. If Eric’s examples are representative of real data in the future PCEHR system, there is definitely a problem. In any case, there is a general problem, to do with common misuse of the CDA architecture, which itself should be changed to remove such possibilities. Read the rest of this entry »