{
  "description": "Profil zur Angabe eines Untersuchungsergebnisses zur LVEF im Kontext des Projekts Acribis.",
  "_filename": "StructureDefinition-mii-pr-kardio-linksventrikulaere-ejektionsfraktion.json",
  "package_name": "de.medizininformatikinitiative.kerndatensatz.kardiologie",
  "date": "2025-12-08",
  "derivation": "constraint",
  "publisher": "Medizininformatik Initiative",
  "fhirVersion": "4.0.1",
  "name": "MII_PR_Kardio_Linksventrikulaere_Ejektionsfraktion",
  "abstract": false,
  "type": "Observation",
  "experimental": "true",
  "resourceType": "StructureDefinition",
  "title": "MII PR Kardio Linksventrikulaere Ejektionsfraktion",
  "package_version": "2026.0.0-alpha.2",
  "status": "active",
  "id": "36c32f42-16d7-419e-93ea-a024acb33be0",
  "kind": "resource",
  "url": "https://www.medizininformatik-initiative.de/fhir/ext/modul-kardio/StructureDefinition/mii-pr-kardio-linksventrikulaere-ejektionsfraktion",
  "version": "2026.0.0-alpha.1",
  "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",
      "type": [ {
        "code": "Reference",
        "targetProfile": [ "http://hl7.org/fhir/StructureDefinition/Procedure" ]
      } ],
      "comment": "Angabe einer übergeordnete (Echokardiographie-) Prozedur"
    }, {
      "id": "Observation.status",
      "path": "Observation.status",
      "comment": "Dieses Feld dient der Präzisierung des Status der Untersuchung"
    }, {
      "id": "Observation.category",
      "min": 1,
      "path": "Observation.category",
      "slicing": {
        "rules": "open",
        "discriminator": [ {
          "path": "$this",
          "type": "value"
        } ]
      },
      "mustSupport": true
    }, {
      "id": "Observation.category:vs-cat",
      "max": "1",
      "min": 0,
      "path": "Observation.category",
      "comment": "Category 'imaging', da LVEF meist mittels Echokardiographie oder durch MRT, CT, etc. gemessen.",
      "sliceName": "vs-cat",
      "mustSupport": true,
      "patternCodeableConcept": {
        "coding": [ {
          "code": "imaging",
          "system": "http://terminology.hl7.org/CodeSystem/observation-category"
        } ]
      }
    }, {
      "id": "Observation.code",
      "path": "Observation.code",
      "mustSupport": true
    }, {
      "id": "Observation.code.coding",
      "min": 2,
      "path": "Observation.code.coding",
      "slicing": {
        "rules": "open",
        "discriminator": [ {
          "path": "$this",
          "type": "value"
        } ]
      }
    }, {
      "id": "Observation.code.coding:sct",
      "max": "*",
      "min": 1,
      "path": "Observation.code.coding",
      "sliceName": "sct",
      "mustSupport": true,
      "patternCoding": {
        "code": "250908004",
        "system": "http://snomed.info/sct",
        "version": "http://snomed.info/sct/900000000000207008/version/20240701"
      }
    }, {
      "id": "Observation.code.coding:loinc",
      "max": "*",
      "min": 1,
      "path": "Observation.code.coding",
      "sliceName": "loinc",
      "mustSupport": true,
      "patternCoding": {
        "code": "10230-1",
        "system": "http://loinc.org"
      }
    }, {
      "id": "Observation.subject",
      "min": 1,
      "path": "Observation.subject",
      "type": [ {
        "code": "Reference",
        "targetProfile": [ "http://hl7.org/fhir/StructureDefinition/Patient" ]
      } ],
      "mustSupport": true
    }, {
      "id": "Observation.effective[x]",
      "min": 1,
      "path": "Observation.effective[x]",
      "type": [ {
        "code": "dateTime"
      } ],
      "mustSupport": true
    }, {
      "id": "Observation.value[x]",
      "path": "Observation.value[x]",
      "type": [ {
        "code": "Quantity"
      } ],
      "mustSupport": true
    }, {
      "id": "Observation.value[x].value",
      "min": 1,
      "path": "Observation.value[x].value"
    }, {
      "id": "Observation.value[x].unit",
      "min": 1,
      "path": "Observation.value[x].unit",
      "patternString": "percent"
    }, {
      "id": "Observation.value[x].system",
      "min": 1,
      "path": "Observation.value[x].system",
      "patternUri": "http://unitsofmeasure.org"
    }, {
      "id": "Observation.value[x].code",
      "min": 1,
      "path": "Observation.value[x].code",
      "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": {
        "rules": "closed",
        "ordered": true,
        "description": "Referenzbereiche LVEF vgl. 2021 ESC Guidelines for the diagnosis and treatment of acute and chronic heart failure.",
        "discriminator": [ {
          "path": "text",
          "type": "value"
        } ]
      }
    }, {
      "id": "Observation.referenceRange:normal",
      "max": "1",
      "min": 0,
      "path": "Observation.referenceRange",
      "sliceName": "normal"
    }, {
      "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",
      "min": 1,
      "path": "Observation.referenceRange.text",
      "patternString": "Normal"
    }, {
      "id": "Observation.referenceRange:mild",
      "max": "1",
      "min": 0,
      "path": "Observation.referenceRange",
      "sliceName": "mild"
    }, {
      "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",
      "min": 1,
      "path": "Observation.referenceRange.text",
      "patternString": "Mildly reduced"
    }, {
      "id": "Observation.referenceRange:reduced",
      "max": "1",
      "min": 0,
      "path": "Observation.referenceRange",
      "sliceName": "reduced"
    }, {
      "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",
      "min": 1,
      "path": "Observation.referenceRange.text",
      "patternString": "Reduced"
    } ]
  },
  "contact": [ {
    "telecom": [ {
      "value": "https://www.medizininformatik-initiative.de",
      "system": "url"
    } ]
  } ],
  "baseDefinition": "http://hl7.org/fhir/StructureDefinition/Observation"
}