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Patient Information System comprises of a system that maintains and updates patients records in a medical institution in a region.
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Good PIS systems provide
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Simple User Interface for Adding and Updating Information
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Search engine for searches on the basis of blood group, name, age etc.)
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Save (Saving the record onto disk drive.)
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Report Generation
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A Patient Information System should support the following:
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User Interface for adding, updating, searching patient records.
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Saving to permanent storage.
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Report Generation on various criteria.
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The following information models represent different aspects of a general PIS 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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