SNOMED CT Browser User Guide

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Compare detailed information for two concepts using the SCT Browser's Comparing Perspective.

Prerequisite steps: Browse SNOMED CT International Edition concepts


StepsReferences

From any view in the SCT Browser, press  on the Perspective button in the header bar to see a drop-down options list of available perspectives:

  • Full 
  • Comparing 
  • Comparing hierarchy 
  • Responsive (tablets, phones) 

Select Comparing to switch the presentation.

Perspective: Comparing maintains the browser header bar, but changes to show two side-by-side Concept Details panels, with a full-width Search panel below them.

The Search panel is simply an expanded full-width version of the Search panel in Perspective: Full, with identical features and behaviour, for the purpose of populating the two Concept Details panels.

Panel sizes can be adjusted

The relative sizes of the three panels can be adjusted by pressing and dragging their grey border bars. This can be useful to minimise the Search panel height once concepts are loaded for comparison, as shown in the adjacent screenshot.

Reloading clears Perspective: Comparing

Reloading the page will reset the SCT Browser to the Perspective: Full default presentation.

In the Search panel, find the desired focus concept whose historical versions are to be compared (as described in Find the SCTID for a known concept term or Find the FSN or PT for a known concept SCTID).

In the Search Results list, press and hold the result row for the desired focus concept. The selected row will be highlighted in blue, and a "Drag this" tooltip will appear.

Whilst holding the cursor selection, drag the selected item onto the concept Summary FSN label in the blue details box in the left-hand Concept Details panel Summary tab. Whilst dragging, the concept FSN term will appear alongside the cursor arrow.

When the cursor is over the Summary FSN label "drop-zone" a drop-target symbol will appear. Release the cursor hold to "drop" the concept.

The left-hand panel will now show the Concept Details Summary  tab for the dropped concept, and all the other context tabs can be navigated within the left-hand panel whilst maintaining the dropped concept focus.

Now drag and drop the same concept to the Summary box of the right-hand Concept Details panel.

Following a search result link will not set the second comparison focus concept

The right-hand Concept Details can only be populated by drag and drop. 


Drag and drop works from any selected concept link in view

As well as using search results entries, each Concept Details can also be populated by drag and drop from the other Concept Details.

Another simple way to set the same focus concept is to select the FSN of the left-hand Concept Details panel then drag and drop that into the right-hand panel.


With the same focus concept in each Concept Details panel, use their History context tab to change their content to a historical version, as described in View the history of a SNOMED CT concept.


The two Concept Details context tabs can now be used to independently select alternative versions from the concept history, so that they can be compared side-by-side.


Once done with comparisons, select Full in the header bar Perspective button drop-down options list to switch back to Perspective: Full.

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