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Pulse Oximetry Project

Pulse Oximetry Project. Summary of Information Flows, Workflow, Functional and Data Requirements. Overview. Project focus on device-to-information system exchanges A device manager may be used to support the standard-based exchange Standardization of information exchange

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Pulse Oximetry Project

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  1. Pulse Oximetry Project Summary of Information Flows, Workflow, Functional and Data Requirements

  2. Overview • Project focus on device-to-information system exchanges • A device manager may be used to support the standard-based exchange • Standardization of information exchange • Between device and information system • Between device manager and information system • Information flow • Workflow • Identifies configuration, verification, etc.

  3. Information Flow Measured results, abnormal flags, error information

  4. Validation at the point of care Verification Standard-based Transactions

  5. Monitoring and validation Standard-based Transactions Verification

  6. Workflow Device may monitor continuously or episodic/spot check If measurement fails to acquire a value, an alarm may be sent under certain circumstances Verification at the point of care

  7. Re-attach probe

  8. Verification in the info system

  9. Data Analysis for Transactions Standard Codes will be used to represent these concepts Current Standard and future technical enhancements created by this project Associated information Measured Results

  10. Results Information - Detail Oxygen Saturation identifier is a code as “Coded Value” Zero or one occurrence - Optional Result: numeric quantity and units Zero or more occurrences – Repeated, optional Indicates the result is out of range Should match the probe body site Standard codes, units of measure

  11. Standard Codes will be used to represent these concepts

  12. Verification of results These data structures are reused for all identifiers, names, etc.

  13. Questions • Delayed Results • If a device fails to obtain a result, should it resend the previous value to the information system? • We discussed this issue and agreed that the devices should not send delayed results since a timestamp is expected with each result reaching the information system. • If a measurement was acquired some seconds before it was reported, what is the acceptable delay? • This item is still outstanding. What is the expectation clinician regarding time accurracy? • Missing Results • If a device fails to obtain a result (e.g. probe disconnected, low signal), should it send any values (e.g. default “0”) or stop sending information? • We discussed it and agreed it’s desirable that devices should not send default data. • Frequency of reporting pulse oximetry • Continuous (e.g. OR, ICU) : a one minute interval appears to be sufficient. • Spot-check: on-demand • MEM • Integrated pulse oximeter may need troubleshooting (e.g. to explain why results are not posted on the flowsheet) • Medical Equipment Management may be a good topic for future discussions

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