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# System prepended metadata

title: Clinical observation data acquisition and standardization

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# Clinical observation data acquisition and standardization
- Patient data acqueisted by device or instrument
-- such as vitral sign、 laboratory result、and medical images

## Acquisition situations
- Acqueisted in clinical workflow
-- Such as image exam、labortory exam
- Acqueisted by personal devices
-- Such as smart watch

## Information related to the Acqueisted data
- Both the Acqueisted data and metadata(patient, device, situation) information would be important for management and analysis
- All the information might be packaged packaged as a file stream for sharing

## Challenge 
- There are many different types of devce that may be used in hospital. Different venders might select different specifications and formats to package the data. 
- It is a difficult task for  engineer to paser unfamilar types of clinical data
- And the proprietary data also difficult for integration usages
-- Integraing with healthcare systems

## Suggestion
- Adopting medical informatics standards for sharing clinical data
-- FHIR observation for vital signed and labortory results
-- DICOMWeb for medical image
-- FHIR  observation references to FHIR patient, device, devicemetric (metadata of the observation)

