description: Definition of the observation Stroke/FAST
package_name: ch.fhir.ig.ch
derivation: constraint
name: CHEmsObservationStrokeFAST
type: Observation
elements:
  status: {index: 0}
  code:
    short: Stroke / FAST
    pattern:
      type: CodeableConcept
      value:
        coding:
        - {code: '716800008', system: 'http://snomed.info/sct', display: Face Arm Speech Test score}
    index: 1
  subject:
    type: Reference
    short: Patient
    refers: ['http://fhir.ch/ig/ch-ems/StructureDefinition/ch-ems-patient']
    index: 2
    elements:
      reference: {index: 3}
    required: [reference]
  encounter:
    type: Reference
    short: Emergency service during which this observation is made
    refers: ['http://fhir.ch/ig/ch-ems/StructureDefinition/ch-ems-encounter']
    index: 4
    elements:
      reference: {index: 5}
    required: [reference]
  effectiveDateTime: {short: 'T: Time', index: 6}
  component:
    array: true
    min: 3
    max: 3
    index: 7
    extensions: {}
    elements:
      extension: {index: 8}
    slicing:
      rules: open
      ordered: false
      discriminator:
      - {path: code, type: pattern}
      min: 3
      max: 3
      slices:
        face:
          match:
            code:
              coding:
              - {code: '89545001', system: 'http://snomed.info/sct', display: Face structure (body structure)}
          schema:
            short: 'F: Face'
            _required: true
            index: 9
            extensions: {}
            elements:
              extension: {type: Extension, short: Affected side of the face, url: 'http://fhir.ch/ig/ch-ems/StructureDefinition/ch-ems-ext-laterality', index: 10}
              code:
                pattern:
                  type: CodeableConcept
                  value:
                    coding:
                    - {code: '89545001', system: 'http://snomed.info/sct', display: Face structure (body structure)}
                index: 11
              valueCodeableConcept:
                type: CodeableConcept
                short: Face drooping
                binding: {strength: extensible, valueSet: 'http://fhir.ch/ig/ch-ems/ValueSet/yes-no-unknown'}
                index: 12
            required: [valueCodeableConcept]
        arm:
          match:
            code:
              coding:
              - {code: '53120007', system: 'http://snomed.info/sct', display: Upper limb structure (body structure)}
          schema:
            short: 'A: Arm'
            _required: true
            index: 13
            extensions: {}
            elements:
              extension: {type: Extension, short: Affected arm, url: 'http://fhir.ch/ig/ch-ems/StructureDefinition/ch-ems-ext-laterality', index: 14}
              code:
                pattern:
                  type: CodeableConcept
                  value:
                    coding:
                    - {code: '53120007', system: 'http://snomed.info/sct', display: Upper limb structure (body structure)}
                index: 15
              valueCodeableConcept:
                type: CodeableConcept
                short: Arm weakness
                binding: {strength: extensible, valueSet: 'http://fhir.ch/ig/ch-ems/ValueSet/yes-no-unknown'}
                index: 16
            required: [valueCodeableConcept]
        speech:
          match:
            code:
              coding:
              - {code: '87335007', system: 'http://snomed.info/sct', display: Speaking (observable entity)}
          schema:
            short: 'S: Speech'
            _required: true
            index: 17
            elements:
              code:
                pattern:
                  type: CodeableConcept
                  value:
                    coding:
                    - {code: '87335007', system: 'http://snomed.info/sct', display: Speaking (observable entity)}
                index: 18
              valueCodeableConcept:
                type: CodeableConcept
                short: Speech difficulty
                binding: {strength: extensible, valueSet: 'http://fhir.ch/ig/ch-ems/ValueSet/yes-no-unknown'}
                index: 19
            required: [valueCodeableConcept]
package_version: ems-1.9.0
class: profile
kind: resource
url: http://fhir.ch/ig/ch-ems/StructureDefinition/ch-ems-observation-stroke-fast
base: http://hl7.org/fhir/StructureDefinition/Observation
version: 1.9.0
required: [effectiveDateTime, subject]