Usability themes and corresponding number of heuristics developed in each theme.
|Usability theme||Definition for each theme||Number of heuristics developed in each area|
|Workflow||Workflow issues deal with process issues arising from HIS use ||10|
|Content||Content issues arise from poor quality information in the HIS ||14|
|Safeguards||Safeguard issues are specific to the presence or absence of decision supports that prevent medical errors||8|
|Function||Functional issues deal with concerns arising from how a HIS functions||6|