# \#sdt

**URL:** https://discourse.openehr.org/tag/sdt/51.md

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## [The good, the bad and the "Wat?" of current simplified FLAT/SimSDT openEHR exchange format](https://discourse.openehr.org/t/the-good-the-bad-and-the-wat-of-current-simplified-flat-simsdt-openehr-exchange-format/3819)

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**Author:** [@erik.sundvall](https://discourse.openehr.org/u/erik.sundvall)\
**Replies:** 45\
**Last updated:** [26 November 2025 18:42 UTC](https://discourse.openehr.org/t/the-good-the-bad-and-the-wat-of-current-simplified-flat-simsdt-openehr-exchange-format/3819 "2025-11-26T18:42:55Z")

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Hi! At Karolinska we are a bit confused about how to format/use some things in different forms of the FLAT/SimSDT format. We are testing at least three CDR products that are supposed to support it and at least two (non-…

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## [Simplified JSON data formats for openEHR](https://discourse.openehr.org/t/simplified-json-data-formats-for-openehr/915)

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**Author:** [@thomas.beale](https://discourse.openehr.org/u/thomas.beale)\
**Replies:** 21\
**Last updated:** [25 March 2021 13:16 UTC](https://discourse.openehr.org/t/simplified-json-data-formats-for-openehr/915 "2021-03-25T13:16:34Z")

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For those interested, here is a wiki page on which we are refining so-called simplified (JSON) data formats for representing EHR data when talking through openEHR REST APIs, and maybe in other contexts. This is likely t…

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## [Simplified Data Template (SDT) - data types](https://discourse.openehr.org/t/simplified-data-template-sdt-data-types/546)

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**Author:** [@thomas.beale](https://discourse.openehr.org/u/thomas.beale)\
**Replies:** 23\
**Last updated:** [12 August 2020 11:41 UTC](https://discourse.openehr.org/t/simplified-data-template-sdt-data-types/546 "2020-08-12T11:41:57Z")

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Following our decision to provide a more basic specification of the Simplified Data Template (SDT), I thought I would start at the ‘easy’ end, i.e. data types and various low level RM types. Here is a wiki page that I am…