<status value="draft" /> <description value="Records heart rate observations in the Irish healthcare context." /> <fhirVersion value="4.0.1" /> <kind value="resource" /> <abstract value="false" /> <type value="Observation" /> <baseDefinition value="https://hl7-ie.github.io/ie-core/fhir/ie/core/StructureDefinition/ie-core-vital-signs" /> <derivation value="constraint" /> <differential> <element id="Observation.code"> <path value="Observation.code" /> <patternCodeableConcept> <coding> <system value="http://loinc.org" /> <code value="8867-4" /> <display value="Heart rate" /> </coding> </patternCodeableConcept> </element> <element id="Observation.value[x]"> <path value="Observation.value[x]" /> <type> <code value="Quantity" /> </type> </element> <element id="Observation.value[x].value"> <path value="Observation.value[x].value" /> <min value="1" /> <mustSupport value="true" /> </element> <element id="Observation.value[x].unit"> <path value="Observation.value[x].unit" /> <min value="1" /> <mustSupport value="true" /> </element> <element id="Observation.value[x].system"> <path value="Observation.value[x].system" /> <min value="1" /> <patternUri value="http://unitsofmeasure.org" /> </element> <element id="Observation.value[x].code"> <path value="Observation.value[x].code" /> <min value="1" /> <patternCode value="/min" /> </element> </differential> </StructureDefinition>