{
  "resourceType": "ViewDefinition",
  "status": "draft",
  "name": "MeasurementBloodPressure",
  "description": "Vue se rapprochant de la table OMOP measurement, pour les pressions artérielles",
  "resource": "Observation",
  "select": [
    {
      "column": [
        { "path": "id", "name": "measurement_id" },
        { "path": "subject.reference", "name": "person_id" },
        { "path": "encounter.reference", "name": "visit_occurrence_id" },
        { "path": "encounter.reference", "name": "visit_detail_id" },
        { "path": "effectiveDateTime", "name": "measurement_date" },
        { "path": "0", "name": "measurement_concept_id" },
        { "path": "44818702", "name": "measurement_type_concept_id" },
        { "path": "id", "name": "measurement_event_id" }
      ]
    },
    {
      "column": [
        { "path": "code.coding.first().display", "name": "measurement_source_value" },
        { "path": "code.coding.first().code", "name": "measurement_source_concept_id" },
        { "path": "code.coding.first().system", "name": "measurement_coding_source_system" },
        { "path": "valueQuantity.where($this is Quantity).value", "name": "value_as_number" },
        { "path": "valueQuantity.code", "name": "unit_concept_id" },
        { "path": "valueQuantity.unit", "name": "unit_source_value" }
      ],
      "forEach": "component"
    }
  ],
  "where": [
    { "path": "component.exists()" }
  ]
}