description: This profile constrains the Observation resource to represent the blood pressure.
package_name: rs/ch.fhir.ig.ch
derivation: constraint
name: ChEpregObservationBloodPressure
type: Observation
elements:
  category:
    pattern:
      type: CodeableConcept
      value:
        coding:
        - {code: vital-signs, system: 'http://terminology.hl7.org/CodeSystem/observation-category'}
    type: CodeableConcept
    index: 0
  encounter:
    type: Reference
    refers: ['http://fhir.ch/ig/ch-epreg/StructureDefinition/ch-epreg-encounter-mother']
    index: 3
  value:
    choices: []
    index: 9
  component:
    array: true
    min: 2
    index: 10
    slicing:
      rules: open
      discriminator:
      - {path: code, type: value}
      min: 2
      slices:
        SystolicBP:
          match:
            code:
              coding:
              - {code: 8480-6, system: 'http://loinc.org'}
          schema:
            _required: true
            index: 11
            elements:
              code:
                pattern:
                  type: CodeableConcept
                  value:
                    coding:
                    - {code: 8480-6, system: 'http://loinc.org'}
                type: CodeableConcept
                index: 12
              value:
                choices: [valueQuantity]
                index: 14
              valueQuantity: {type: Quantity, choiceOf: value, index: 15}
              value[x]:
                elements:
                  value: {index: 16}
                  unit: {index: 17}
                  system:
                    pattern: {type: uri, value: 'http://unitsofmeasure.org'}
                    type: uri
                    index: 18
                  code:
                    pattern: {type: code, value: 'mm[Hg]'}
                    type: code
                    index: 19
                required: [code, system, unit, value]
            required: [value, valueQuantity]
        DiastolicBP:
          match:
            code:
              coding:
              - {code: 8462-4, system: 'http://loinc.org'}
          schema:
            _required: true
            index: 20
            elements:
              code:
                pattern:
                  type: CodeableConcept
                  value:
                    coding:
                    - {code: 8462-4, system: 'http://loinc.org'}
                type: CodeableConcept
                index: 21
              value:
                choices: [valueQuantity]
                index: 23
              valueQuantity: {type: Quantity, choiceOf: value, index: 24}
              value[x]:
                elements:
                  value: {index: 25}
                  unit: {index: 26}
                  system:
                    pattern: {type: uri, value: 'http://unitsofmeasure.org'}
                    type: uri
                    index: 27
                  code:
                    pattern: {type: code, value: 'mm[Hg]'}
                    type: code
                    index: 28
                required: [code, system, unit, value]
            required: [value, valueQuantity]
  effectiveDateTime: {type: dateTime, choiceOf: effective, index: 6}
  effective:
    choices: [effectiveDateTime]
    index: 5
  code:
    pattern:
      type: CodeableConcept
      value:
        coding:
        - {code: 85354-9, system: 'http://loinc.org'}
    type: CodeableConcept
    index: 1
  subject:
    type: Reference
    refers: ['http://fhir.ch/ig/ch-epreg/StructureDefinition/ch-epreg-patient-mother']
    index: 2
  performer: {index: 7}
package_version: epreg-1.0.0-ballot
class: profile
kind: resource
url: http://fhir.ch/ig/ch-epreg/StructureDefinition/ch-epreg-observation-blood-pressure
base: http://fhir.ch/ig/ch-epreg/StructureDefinition/ch-epreg-observation-preg-progress
version: 1.0.0-ballot