<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="ISiKEkg" />
  <url value="https://gematik.de/fhir/isik/v3/VitalparameterUndKoerpermasze/StructureDefinition/ISiKEkg" />
  <version value="3.1.1" />
  <name value="ISiKEkg" />
  <status value="active" />
  <experimental value="false" />
  <date value="2025-12-01" />
  <publisher value="gematik GmbH" />
  <fhirVersion value="4.0.1" />
  <kind value="resource" />
  <abstract value="false" />
  <type value="Observation" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Observation" />
  <derivation value="constraint" />
  <differential>
    <element id="Observation.status">
      <path value="Observation.status" />
      <mustSupport value="true" />
    </element>
    <element id="Observation.category">
      <path value="Observation.category" />
      <min value="1" />
      <mustSupport value="true" />
    </element>
    <element id="Observation.category.coding">
      <path value="Observation.category.coding" />
      <patternCoding>
        <system value="http://terminology.hl7.org/CodeSystem/observation-category" />
        <code value="procedure" />
      </patternCoding>
    </element>
    <element id="Observation.code">
      <path value="Observation.code" />
      <patternCodeableConcept>
        <coding>
          <system value="http://loinc.org" />
          <code value="11524-6" />
        </coding>
      </patternCodeableConcept>
      <mustSupport value="true" />
    </element>
    <element id="Observation.subject">
      <path value="Observation.subject" />
      <min value="1" />
      <mustSupport value="true" />
    </element>
    <element id="Observation.encounter">
      <path value="Observation.encounter" />
      <mustSupport value="true" />
    </element>
    <element id="Observation.effective[x]">
      <path value="Observation.effective[x]" />
      <min value="1" />
      <mustSupport value="true" />
    </element>
    <element id="Observation.value[x]">
      <path value="Observation.value[x]" />
      <max value="0" />
    </element>
    <element id="Observation.device">
      <path value="Observation.device" />
      <min value="1" />
      <mustSupport value="true" />
    </element>
    <element id="Observation.component">
      <path value="Observation.component" />
      <min value="1" />
      <mustSupport value="true" />
    </element>
    <element id="Observation.component.code">
      <path value="Observation.component.code" />
      <mustSupport value="true" />
      <binding>
        <strength value="extensible" />
        <description value="Codes identifying the EKG lead" />
        <valueSet value="https://gematik.de/fhir/isik/v3/VitalparameterUndKoerpermasze/ValueSet/EkgAbleitungenVS" />
      </binding>
    </element>
    <element id="Observation.component.code.coding">
      <path value="Observation.component.code.coding" />
      <min value="1" />
    </element>
    <element id="Observation.component.value[x]">
      <path value="Observation.component.value[x]" />
      <min value="1" />
      <type>
        <code value="SampledData" />
      </type>
      <mustSupport value="true" />
    </element>
    <element id="Observation.component.value[x].origin">
      <path value="Observation.component.value[x].origin" />
      <mustSupport value="true" />
    </element>
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      <mustSupport value="true" />
    </element>
    <element id="Observation.component.value[x].dimensions">
      <path value="Observation.component.value[x].dimensions" />
      <mustSupport value="true" />
    </element>
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      <path value="Observation.component.value[x].data" />
      <min value="1" />
      <mustSupport value="true" />
    </element>
  </differential>
</StructureDefinition>