Whilst I cannot comment on the architecture detail, I would flag up a need to consider the international environment around the handling of records. We may well be subject to generic CEC Directives about how records should be produced and the Brazilians (or in fact even the US or somewhere even with same language bases) could have national / regional requirements for how they must collect or present data on healthcare delivered locally. I am not saying that there are these types of difference at present, but like with trans-border data transmission across 'unsafe' areas such potential external inconsistencies must be recognised as needing to be considered. Jean Roberts
Phoenix Associates, 19 Church Meadow, Ipstones, Staffs, ST10 2LS UK email : jean at hcjean.demon.co.uk http://www.hcjean.demon.co.uk tel 07771 804472 or tel/fax+44 1538 266944 - If you have any questions about using this list, please send a message to d.lloyd at openehr.org

