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Ok, let's edit the 'tachycardic?' patient state. When you right click and go Edit properties notice the Edit Gello button in the bottom left of the window. Click on this.

Patient state GELLO is somewhat simpler in that we simply need to return a Boolean value rather than a GLIFDecisionResult class instance.

Here is the code to insert:

   Context GLIF_VMR::GLIFDecisionNode

   Let heartRate_SCT:CD = CD{code = '364075005',
       codeSystem = '2.16.840.1.113883.6.96',
       codeSystemName ='SNOMED-CT'
       }

   Let mostRecentPulseRate:PQ = If vmr.vitals.pulseRate.oclIsDefined() then
       vmr.vitals.pulseRate->select(observationCode=heartRate_SCT)->sortedBy(dateTime)->last().value.oclAsType(PQ) else
         null
       endif

   Let has_Tachycardia: Boolean =
       if mostRecentPulseRate > factory.PQ(120, 'bpm') then true 

           else false
       endif

   has_Tachycardia

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