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Source1

{
  "resourceType": "StructureDefinition",
  "id": "mii-pr-kardio-linksventrikulaere-ejektionsfraktion",
  "url": "https://www.medizininformatik-initiative.de/fhir/ext/modul-kardio/StructureDefinition/mii-pr-kardio-linksventrikulaere-ejektionsfraktion",
  "version": "2026.0.0-alpha.1",
  "name": "MII_PR_Kardio_Linksventrikulaere_Ejektionsfraktion",
  "title": "MII PR Kardio Linksventrikulaere Ejektionsfraktion",
  "status": "active",
  "experimental": true,
  "date": "2025-12-08",
  "publisher": "Medizininformatik Initiative",
  "contact": [
    {
      "telecom": [
        {
          "system": "url",
          "value": "https://www.medizininformatik-initiative.de"
        }
      ]
    }
  ],
  "description": "Profil zur Angabe eines Untersuchungsergebnisses zur LVEF im Kontext des Projekts Acribis.",
  "fhirVersion": "4.0.1",
  "kind": "resource",
  "abstract": false,
  "type": "Observation",
  "baseDefinition": "http://hl7.org/fhir/StructureDefinition/Observation",
  "derivation": "constraint",
  "differential": {
    "element": [
      {
        "id": "Observation",
        "path": "Observation",
        "constraint": [
          {
            "key": "vs-de-2",
            "human": "If there is no component or hasMember element then either a value[x] or a data absent reason must be present",
            "source": "https://www.medizininformatik-initiative.de/fhir/ext/modul-kardio/StructureDefinition/mii-pr-kardio-linksventrikulaere-ejektionsfraktion",
            "severity": "error",
            "expression": "(component.empty() and hasMember.empty()) implies (dataAbsentReason.exists() or value.exists())"
          },
          {
            "key": "mii-icu-1",
            "human": "If there is no Observation.value, a dataAbsentReason must be given.",
            "source": "https://www.medizininformatik-initiative.de/fhir/ext/modul-kardio/StructureDefinition/mii-pr-kardio-linksventrikulaere-ejektionsfraktion",
            "severity": "error",
            "expression": "value.exists().not() implies dataAbsentReason.exists()"
          }
        ]
      },
      {
        "id": "Observation.partOf",
        "path": "Observation.partOf",
        "comment": "Angabe einer übergeordnete (Echokardiographie-) Prozedur",
        "type": [
          {
            "code": "Reference",
            "targetProfile": [
              "http://hl7.org/fhir/StructureDefinition/Procedure"
            ]
          }
        ]
      },
      {
        "id": "Observation.status",
        "path": "Observation.status",
        "comment": "Dieses Feld dient der Präzisierung des Status der Untersuchung"
      },
      {
        "id": "Observation.category",
        "path": "Observation.category",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "$this"
            }
          ],
          "rules": "open"
        },
        "min": 1,
        "mustSupport": true
      },
      {
        "id": "Observation.category:vs-cat",
        "path": "Observation.category",
        "sliceName": "vs-cat",
        "comment": "Category 'imaging', da LVEF meist mittels Echokardiographie oder durch MRT, CT, etc. gemessen.",
        "min": 0,
        "max": "1",
        "patternCodeableConcept": {
          "coding": [
            {
              "code": "imaging",
              "system": "http://terminology.hl7.org/CodeSystem/observation-category"
            }
          ]
        },
        "mustSupport": true
      },
      {
        "id": "Observation.code",
        "path": "Observation.code",
        "mustSupport": true
      },
      {
        "id": "Observation.code.coding",
        "path": "Observation.code.coding",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "$this"
            }
          ],
          "rules": "open"
        },
        "min": 2
      },
      {
        "id": "Observation.code.coding:sct",
        "path": "Observation.code.coding",
        "sliceName": "sct",
        "min": 1,
        "max": "*",
        "patternCoding": {
          "code": "250908004",
          "system": "http://snomed.info/sct",
          "version": "http://snomed.info/sct/900000000000207008/version/20240701"
        },
        "mustSupport": true
      },
      {
        "id": "Observation.code.coding:loinc",
        "path": "Observation.code.coding",
        "sliceName": "loinc",
        "min": 1,
        "max": "*",
        "patternCoding": {
          "code": "10230-1",
          "system": "http://loinc.org"
        },
        "mustSupport": true
      },
      {
        "id": "Observation.subject",
        "path": "Observation.subject",
        "min": 1,
        "type": [
          {
            "code": "Reference",
            "targetProfile": [
              "http://hl7.org/fhir/StructureDefinition/Patient"
            ]
          }
        ],
        "mustSupport": true
      },
      {
        "id": "Observation.effective[x]",
        "path": "Observation.effective[x]",
        "min": 1,
        "type": [
          {
            "code": "dateTime"
          }
        ],
        "mustSupport": true
      },
      {
        "id": "Observation.value[x]",
        "path": "Observation.value[x]",
        "type": [
          {
            "code": "Quantity"
          }
        ],
        "mustSupport": true
      },
      {
        "id": "Observation.value[x].value",
        "path": "Observation.value[x].value",
        "min": 1
      },
      {
        "id": "Observation.value[x].unit",
        "path": "Observation.value[x].unit",
        "min": 1,
        "patternString": "percent"
      },
      {
        "id": "Observation.value[x].system",
        "path": "Observation.value[x].system",
        "min": 1,
        "patternUri": "http://unitsofmeasure.org"
      },
      {
        "id": "Observation.value[x].code",
        "path": "Observation.value[x].code",
        "min": 1,
        "patternCode": "%"
      },
      {
        "id": "Observation.method",
        "path": "Observation.method",
        "comment": "Angabe der für die Ermittlung/Berechnung verwendeten Methode (2D,Simpson,3D,CMR, etc.) als SNOMED CT oder als LOINC-Code.",
        "mustSupport": true
      },
      {
        "id": "Observation.referenceRange",
        "path": "Observation.referenceRange",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "text"
            }
          ],
          "rules": "closed",
          "ordered": true,
          "description": "Referenzbereiche LVEF vgl. 2021 ESC Guidelines for the diagnosis and treatment of acute and chronic heart failure."
        }
      },
      {
        "id": "Observation.referenceRange:normal",
        "path": "Observation.referenceRange",
        "sliceName": "normal",
        "min": 0,
        "max": "1"
      },
      {
        "id": "Observation.referenceRange:normal.low.value",
        "path": "Observation.referenceRange.low.value",
        "patternDecimal": 50
      },
      {
        "id": "Observation.referenceRange:normal.low.unit",
        "path": "Observation.referenceRange.low.unit",
        "patternString": "%"
      },
      {
        "id": "Observation.referenceRange:normal.low.system",
        "path": "Observation.referenceRange.low.system",
        "patternUri": "http://unitsofmeasure.org"
      },
      {
        "id": "Observation.referenceRange:normal.text",
        "path": "Observation.referenceRange.text",
        "min": 1,
        "patternString": "Normal"
      },
      {
        "id": "Observation.referenceRange:mild",
        "path": "Observation.referenceRange",
        "sliceName": "mild",
        "min": 0,
        "max": "1"
      },
      {
        "id": "Observation.referenceRange:mild.low.value",
        "path": "Observation.referenceRange.low.value",
        "patternDecimal": 41
      },
      {
        "id": "Observation.referenceRange:mild.low.unit",
        "path": "Observation.referenceRange.low.unit",
        "patternString": "%"
      },
      {
        "id": "Observation.referenceRange:mild.low.system",
        "path": "Observation.referenceRange.low.system",
        "patternUri": "http://unitsofmeasure.org"
      },
      {
        "id": "Observation.referenceRange:mild.high.value",
        "path": "Observation.referenceRange.high.value",
        "patternDecimal": 49
      },
      {
        "id": "Observation.referenceRange:mild.high.unit",
        "path": "Observation.referenceRange.high.unit",
        "patternString": "%"
      },
      {
        "id": "Observation.referenceRange:mild.high.system",
        "path": "Observation.referenceRange.high.system",
        "patternUri": "http://unitsofmeasure.org"
      },
      {
        "id": "Observation.referenceRange:mild.text",
        "path": "Observation.referenceRange.text",
        "min": 1,
        "patternString": "Mildly reduced"
      },
      {
        "id": "Observation.referenceRange:reduced",
        "path": "Observation.referenceRange",
        "sliceName": "reduced",
        "min": 0,
        "max": "1"
      },
      {
        "id": "Observation.referenceRange:reduced.high.value",
        "path": "Observation.referenceRange.high.value",
        "patternDecimal": 40
      },
      {
        "id": "Observation.referenceRange:reduced.high.unit",
        "path": "Observation.referenceRange.high.unit",
        "patternString": "%"
      },
      {
        "id": "Observation.referenceRange:reduced.high.system",
        "path": "Observation.referenceRange.high.system",
        "patternUri": "http://unitsofmeasure.org"
      },
      {
        "id": "Observation.referenceRange:reduced.text",
        "path": "Observation.referenceRange.text",
        "min": 1,
        "patternString": "Reduced"
      }
    ]
  }
}