<StructureDefinition xmlns="http://hl7.org/fhir">
  <meta>
    <lastUpdated value="2017-09-08T10:10:30.133-04:00" />
  </meta>
  <url value="StructureDefinition/EmergencyObservation" />
  <name value="EmergencyObservation" />
  <status value="draft" />
  <date value="2017-09-07T16:26:28.495-04:00" />
  <fhirVersion value="3.0.1" />
  <kind value="resource" />
  <abstract value="false" />
  <type value="Observation" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Observation" />
  <derivation value="constraint" />
  <differential>
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      <path value="Observation.category" />
      <min value="1" />
      <max value="1" />
    </element>
    <element id="Observation.subject">
      <path value="Observation.subject" />
      <min value="1" />
    </element>
    <element id="Observation.context">
      <path value="Observation.context" />
      <min value="1" />
    </element>
    <element id="Observation.effective[x]">
      <path value="Observation.effective[x]" />
      <min value="1" />
    </element>
    <element id="Observation.issued">
      <path value="Observation.issued" />
      <max value="0" />
    </element>
    <element id="Observation.value[x]">
      <path value="Observation.value[x]" />
      <min value="1" />
    </element>
    <element id="Observation.specimen">
      <path value="Observation.specimen" />
      <max value="0" />
    </element>
    <element id="Observation.component.value[x]">
      <path value="Observation.component.value[x]" />
      <min value="1" />
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  </differential>
</StructureDefinition>