• 1 Introduction 7
  • 1.1 Purpose 7
  • 1.2 Status 7
  • 1.3 Peer review 7
• 2 Overview 9
  • 2.1 The openEHR Specification Project 9
• 3 Aims of the openEHR Architecture 11
  • 3.1 Overview 11
  • 3.2 Clinical Aims 12
  • 3.3 Deployment Environments 13
• 4 Design Principles 15
  • 4.1 Ontological Separation 15
  • 4.2 Separation of Responsibilities 18
  • 4.3 Separation of Viewpoints 18
• 5 openEHR Package Structure 21
  • 5.1 Overview 21
  • 5.2 Reference Model (RM) 22
    • 5.2.1 Package Overview 22
  • 5.3 Archetype Model (AM) 24
  • 5.4 Service Model (SM) 25
• 6 Design of the openEHR EHR 27
  • 6.1 The EHR System 27
  • 6.2 Top-level Information Structures 27
  • 6.3 The EHR 28
  • 6.4 Entries and "clinical statements" 29
  • 6.5 Managing Interventions 32
  • 6.6 Time in the EHR 34
  • 6.7 Language 34
• 7 Security and Confidentiality 37
  • 7.1 Requirements 37
  • 7.2 Threats to Security and Privacy 38
  • 7.3 Solutions Provided by openEHR 39
    • 7.3.1 Overview 39
    • 7.3.2 Security Policy 39
    • 7.3.3 Integrity 41
    • 7.3.4 Anonymity 43
  • 7.4 Access Control 43
• 8 Versioning 45
  • 8.1 Overview 45
  • 8.2 The Configuration Management Paradigm 45
    • 8.2.1 Organisation of the Repository 46
    • 8.2.2 Change Management 46
  • 8.3 Managing Changes in Time 47
    • 8.3.1 General Model of a Change-controlled Repository 48
  • 8.4 The "Virtual Version Tree" 49
• 9 Identification 51
  • 9.1 Identification of the EHR 51
  • 9.2 Identification of Items within the EHR 51
    • 9.2.1 General Scheme 51
    • 9.2.2 Levels of Identification 51
• 10 Archetypes and Templates 55
  • 10.1 Overview 55
  • 10.2 Archetype Formalisms and Models 56
    • 10.2.1 Overview 56
    • 10.2.2 Design-time Relationships between Archetypes 56
  • 10.3 Relationship of Archetypes and Templates to Data 57
  • 10.4 Archetype-enabling of Reference Model Data 57
  • 10.5 Archetypes, Templates and Paths 58
  • 10.6 Archetypes and Templates at Runtime 58
    • 10.6.1 Overview 58
    • 10.6.2 Deploying Archetypes and Templates 59
    • 10.6.3 Validation during Data Capture 60
    • 10.6.4 Querying 61
  • 10.7 The openEHR Archteypes 62
• 11 Paths and Locators 63
  • 11.1 Overview 63
  • 11.2 Paths 63
    • 11.2.1 Basic Syntax 63
    • 11.2.2 Predicate Expressions 64
    • 11.2.3 Paths within Top-level Structures 65
    • 11.2.4 Data Paths and Uniqueness 65
  • 11.3 EHR URIs 68
    • 11.3.1 EHR Reference URIs 68
• 12 Terminology in openEHR 71
  • 12.1 Overview 71
  • 12.2 Terminology to Support the Reference Model 71
  • 12.3 Archetype Internal Terminology 71
  • 12.4 Binding to External Terminologies 73
  • 12.5 Querying using External Terminologies 74
• 13 Deployment 77
  • 13.1 5-tier System Architecture 77
• 14 Integrating openEHR with other Systems 79
  • 14.1 Overview 79
  • 14.2 Integration Archetypes 79
  • 14.3 Data Conversion Architecture 80
• 15 Relationship to Standards 81
• 16 Implementation Technology Specifications 83
  • 16.1 Overview 83
• A References 85

openEHR Foundation http://www.openEHR.org