Observation Data Type

One of the goals of the the Streams Healthcare Analytics Platform is to define a set of common data types so that regardless of which device is sending the observations, the data will be represented in a standard manner for downstream applications to analyze.

The following is the schema of the common Observation data type that all ingest services should use when publishing data.

Name	Type	Description
patientId	string	The patient ID
Device
id	string	The ID of the device that sent the observation
locationId	string	A location ID that indicates where the device is physically located
ReadingSource
id	string	An ID indicating the source on the device that sent the observation (i.e. channel #)
sourceType	string	A descriptive name of the type of source on the device that sent the observation (i.e. "channel")
deviceId	string	The ID of the device that sent the observation (for reference purposes)
Reading
ts	long	The timestamp of the reading
readingType		The type of the reading (i.e. HR, ECG Lead I, temperature, etc)
system	string	The name of the coding system being used (default: streams/1.0)
code	string	The code representing the type of the reading (i.e. HR, ECG Lead I, etc)
value	float	The value of the reading. Populated if the value can be represented as a float.
valueStr	string	The value of the reading as string
uom	rstring	The unit of measure for the reading

JSON Format

{
  "patientId" : string,
  "device" : {
    "id" : string,
    "locationId" : string
  },
  "readingSource" : {
    "id" : string,
    "sourceType" : string,
    "deviceId" : string
  },
  "reading" : {
    "ts" : numeric,
    "readingType" : {
      "system" : string,
      "code" : string
    },
    "value" : numeric,
    "valueStr": string,
    "uom" : string
  }
}