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Electronic Health Record (EHR) is a longitudinal electronic record of patient health information generated by one or more encounters in any care delivery setting
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Good EHR systems
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Security and Privacy Policy to regulate the access
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Storage of the data must be done up to the point it is rendered obsolete
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Conversion : Transfers between medical institues needs to be converted to independent format
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Uniqueness data must be provided with unique data identifiers
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Mapping must be precise
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The following information models represent different aspects of a general EHR system. These models, represented in UML (Unified Modeling Language), can be customized and extended if needed.
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Use Cases: capture the activities performed by the system and the key players. These correspond to the Functional Requirements
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System Sequence Diagram (SSD): Refinement of Use cases. Shows the sequence of activities/messages between the players
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Class Diagram: Shows the key objects in the system and their properties (attributes and methods
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