Others titles
- FHIR Sampled Data Datatype
- Electronic Health Records Exchange Through FHIR
Keywords
- FHIR
- HL7
- Medical Terminology
- Processes Data
- Processes Information
- Processes Documentation
- Health Information Exchange
- Electronic Health Records
- FHIR Smart
- Smart on FHIR
Sampled Data
Sampled Data is the data that comes from a series of measurements taken by a device, which may have upper and lower limits. The data type also supports more than one dimension in the data.
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Description
A Sampled Data provides a concise way to handle the data produced by devices that sample a particular physical state at a high frequency. A typical use for this is for the output of an Electrocardiogram (ECG or EKG) device. The data type includes a series of raw decimal values (which are mostly simple integers), along with adjustments for scale and factor. These are interpreted such that:
original measured value[i] = SampledData.data[i] * SampledData.scaleFactor + SampledData.origin.value
The digits are a set of decimal values separated by a single space (Unicode character u20). In addition to decimal values, the special values “E” (error), “L” (below detection limit) and “U” (above detection limit) can also be used. If there is more than one dimension, the different dimensions are interlaced – all the data points for a particular time are represented together. Sampled Data is used in the ‘Observation’.
About this Dataset
Data Info
Date Created | 2018-09-20 |
---|---|
Last Modified | 2023-03-26 |
Version | 5.0.0 |
Update Frequency |
Annual |
Temporal Coverage |
N/A |
Spatial Coverage |
United States |
Source | John Snow Labs; Health Level Seven International; |
Source License URL | |
Source License Requirements |
N/A |
Source Citation |
N/A |
Keywords | FHIR, HL7, Medical Terminology, Processes Data, Processes Information, Processes Documentation, Health Information Exchange, Electronic Health Records, FHIR Smart, Smart on FHIR |
Other Titles | FHIR Sampled Data Datatype, Electronic Health Records Exchange Through FHIR |
Data Fields
Name | Description | Type | Constraints |
---|---|---|---|
Concept_Name | Name of the concept in the FHIR structure. | string | required : 1 |
Computer_Ready_Name | A Computer-ready name (e.g. a token) that identifies the structure - suitable for code generation. Note that this name (and other names relevant for code generation, including element & slice names, codes etc) may collide with reserved words in the relevant target language, and code generators will need to handle this. | string | - |
Type | The type the structure describes. | string | - |
Dollar_Ref | The "$ref" string value contains a Uniform Resource Identifier (URI) which identifies the location of the JSON value being referenced. | string | - |
Description | A free text natural language description of the structure and its use. | string | - |
Items | The value of the keyword should be an object or an array of objects. If the keyword value is an object, then for the data array to be valid each item of the array should be valid according to the schema in this value. | string | - |
Required | The value of the keyword should be an array of unique strings. The data object to be valid should contain all properties with names equal to the elements in the keyword value. | string | - |
Data Preview
Concept Name | Computer Ready Name | Type | Dollar Ref | Description | Items | Required |
SampledData | id | #/definitions/string | Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces. | |||
SampledData | extension | array | May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and managable | |||
SampledData | origin | #/definitions/Quantity | The base quantity that a measured value of zero represents. In addition | |||
SampledData | interval | #/definitions/decimal | Amount of intervalUnits between samples | |||
SampledData | _interval | #/definitions/Element | Extensions for interval | |||
SampledData | intervalUnit | #/definitions/code | The measurement unit in which the sample interval is expressed. | |||
SampledData | _intervalUnit | #/definitions/Element | Extensions for intervalUnit | |||
SampledData | factor | #/definitions/decimal | A correction factor that is applied to the sampled data points before they are added to the origin. | |||
SampledData | _factor | #/definitions/Element | Extensions for factor | |||
SampledData | lowerLimit | #/definitions/decimal | The lower limit of detection of the measured points. This is needed if any of the data points have the value "L" (lower than detection limit). |