September, 2005 Cardio - June 2007

Retrieve Information for Display (RID) Retrieve Information for Display (RID) and and

Retrieve ECG for Display (ECG) Retrieve ECG for Display (ECG)

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RID Abstract / ScopeRID Abstract / Scope

Simple and rapid access to patient information stored in other Simple and rapid access to patient information stored in other enterprise systems from within a healthcare workstation enterprise systems from within a healthcare workstation applicationapplication

Access to existing persistent documents in well-known Access to existing persistent documents in well-known presentation formats: CDA, PDF, JPEG.presentation formats: CDA, PDF, JPEG.

Access to specific key patient-centric information for Access to specific key patient-centric information for presentation to a clinician : allergies, current medications, presentation to a clinician : allergies, current medications, summary of reports, etc.. summary of reports, etc..

Links with other IHE profiles - Enterprise User Authentication, Links with other IHE profiles - Enterprise User Authentication, Patient Identifier Cross-referencing and Cross Enterprise Patient Identifier Cross-referencing and Cross Enterprise Document SharingDocument Sharing

from IHE IT Infrastructure Domainfrom IHE IT Infrastructure Domain

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Standards UsedStandards Used:: Web Services (WSDL for HTTP Get)Web Services (WSDL for HTTP Get) General purpose IT Presentation Formats: General purpose IT Presentation Formats: XHTML, PDF, JPEG, CDA (HL7)XHTML, PDF, JPEG, CDA (HL7)

Client is healthcare display application with access to Patient IDClient is healthcare display application with access to Patient ID

Two servicesTwo services : : Retrieve Specific InformationRetrieve Specific Information

• Patient centric: patient IDPatient centric: patient ID• Type of Request (see next slide)Type of Request (see next slide)• Date, Time, nMostRecentDate, Time, nMostRecent

Retrieve a DocumentRetrieve a Document• Object Unique Instance Identifier (OID)Object Unique Instance Identifier (OID)• Type of RequestType of Request• Content Type ExpectedContent Type Expected

RID Key Technical PropertiesRID Key Technical Properties

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Retrieve Information for DisplayRetrieve Information for Display

Transaction DiagramTransaction Diagram

Display

Information Source

Retrieve Specific Info for Display [ITI-11]

Summary of Laboratory Reports

Summary of Radiology ReportsSummary of Cardiology ReportsSummary of Surgery ReportsSummary of Intensive Care ReportsSummary of Emergency ReportsSummary of Discharge ReportsList of AllergiesList of Medications

Retrieve Document for Display [ITI-12]

Persistent Document

Types ofRequests

Summary of All Reports

Summary of Prescriptions

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Retrieve ECG for DisplayRetrieve ECG for DisplayTransaction DiagramTransaction Diagram

Display

InformationSource

ECG Management System

Summary of Cardiology Reports

Persistent Document

Types ofRequests

Summary of All Reports

Summary of Cardiology ECG Reports

Retrieve Specific Info for Display [ITI-11]

Retrieve Document for Display [ITI-12]

Retrieve ECG List [CARD-5]

Retrieve ECG Document for Display [CARD-6]

Returns list Returns list in XML in XML formatformat

Returns Returns ECG as PDF ECG as PDF

or SVGor SVG

Returns list Returns list of ECGsof ECGs

Returns list Returns list of ECGsof ECGs

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ECG XML ListECG XML List

IHEDocumentListclassCode*: <= ACTmoodCode*: <= EVNcode*: CD CWE [1..1] <= ActCodeactivityTime: TS [0..1]

DocumentInformationclassCode*: <= ACTmoodCode*: <= EVNid*: II [1..1]code: CD CWE [0..1] <= ActCodetitle: ST [0..1]text: ED [0..1]statusCode: CS CNE [0..1]effectiveTime: TS [0..1]

0..* documentInformationtypeCode*: <= COMP

component

PatientclassCode*: <= PSNdeterminerCode*: <= INSTANCEname: PN [0..1]administrativeGenderCode: CE CWE [0..1] <= AdministrativeGenderbirthTime: TS [0..1]

0..1 patientPatient

0..1 providerOrganization

PatientRoleclassCode*: <= PATid*: II [1..1]

1..1 patient *

typeCode*: <= RCTrecordTarget

IHEDocumentList(AABB_RM444448)

This contains information about a set of documentsreturned from an IHE “Request List of ECGs” request.

DeviceclassCode*: <= DEVdeterminerCode*: <= INSTANCEid: II [0..1]code: CE CWE [0..1] <= EntityCodemanufacturerModelName: SC CWE [0..1] <= ManufacturerModelNamesoftwareName: SC CWE [0..1] <= SoftwareName

0..1 assignedDevice

AssignedAuthorclassCode*: <= ASSIGNEDid: II [0..1]

0..1 assignedAuthor

typeCode*: <= AUTnoteText: ED [0..1]

author

OrganizationclassCode*: <= ORGdeterminerCode*: <= INSTANCEid: II [0..1]name: ON [0..1]

ECG XML List allows advanced display apps to ECG XML List allows advanced display apps to process list process list RID only provides HTML displayable listRID only provides HTML displayable list E.g., for serial comparison (side-by-side ECGs)E.g., for serial comparison (side-by-side ECGs)

XML Schema based on HL7XML Schema based on HL7v3 Reference Informationv3 Reference InformationModelModel

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ECG DocumentECG Document

ECG Information Source required to support PDF ECG Information Source required to support PDF so it is compatible with existing RID clients.so it is compatible with existing RID clients.

ECG Information Source ECG Information Source required to use vector required to use vector graphics for waveforms graphics for waveforms in PDF.in PDF. Gives high quality line Gives high quality line

drawings at any screen drawings at any screen resolution and zoom factor.resolution and zoom factor.

Rasterized (e.g. scanned, Rasterized (e.g. scanned, bitmapped) ECG “images” bitmapped) ECG “images” not allowed.not allowed.

Option for SVGOption for SVG

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