How is openEHR supposed to be used?

Question

I am researching about electronic health records (EHR). OpenEHR seems to be quite extended and appreciated in this field, as it is widely adopted. However, I fail to find how it

Answer 1

Simplified answer to your question:

• Data Model: use any platform which adhers openEHr Specs.
• Data Constraints: Use archetypes : can be defined in ADL or XML
• openEHR record instance: XML
• Database: any

Here is a openEHR record for blood glucose with clinical data encoded using LOINC:

    EHR
    COMPOSITION


    10aec661-5458-4ff6-8e63-c2265537196d 
    
        guest
    
    
        2008-05-22T10:34:28
    
    
        creation
        
            
                openehr
            
            249
        
    


    c7ff23f4-6ad2-4ff9-bedf-fb60be37666e::10aec661-5458-4ff6-8e63-c2265537196d::1
    


    
        Blood glucose report
    
    
        
            openEHR-EHR-COMPOSITION.report.v1
        
        
            blood_glucose
        
        1.0.1
    
    
        
            ISO_639-1
        
        en
    
    
        
            ISO_3166-1
        
        AU
    
    
        event
        
            
                openehr
            
            433
        
    
    
        Some Labs, at some place
    
    
        
            2012-02-26T11:44:17+1000
        
        
            other care
            
                
                    openehr
                
                238
            
        
        
            
                other context
            
        
    
    
    
        Blood Glucose
    
    
        
            Blood glucose
        
        
            
                ISO_639-1
            
            en
        
        
            
                IANA_character-sets
            
            UTF-8
        
        
            
                openEHR-EHR-OBSERVATION.lab_test-blood_glucose.v1
            
            
                Blood glucose
            
            1.0.1
        

        
          
            
              1.2.4.5.6.12.1
              
                1.2.4.5.6.12.1
              
            
            DEMOGRAPHIC
            PERSON
          
          Patient Name
          
              Some issuer id
    Some Assignee
    B5404149
    null
          
        
        
            
                Tree
            

            
                
                    Specimen details
                
                
                    
                        DateTime received
                    
                    
                        2006-11-22T18:57:01
                    
                
                
                    
                        DateTime processed
                    
                    
                        2006-11-22T18:57:01
                    
                
            
        
        
            
                data
            
            
                2006-11-22T18:57:01
            
            
                
                    Any event
                
                
                    2006-11-22T18:57:01
                
                
                    
                        Tree
                    
                    
                        
                            Glucose 1h^Post Meal
                            
                                
                                    LN
                                
                                10449-7
                            
                        
                          
                        Blood Glucose
                        
                    
                    
                        
                            Blood glucose
                        
                        
                            100
                            mmol/l
                            0
                        
                    
                
            
        
    
    



    completed
    
        
            openehr
        
        532