<Observation xmlns="http://hl7.org/fhir">
  <id value="631" />
  <meta>
    <profile value="http://devices.fhir.org/StructureDefinition/EnumerationObservation" />
  </meta>
  <status value="final" />
  <code>
    <coding>
      <system value="urn:iso:std:iso:11073:10101" />
      <code value="184327" />
      <display value="MDC_ECG_STAT_RHY" />
    </coding>
  </code>
  <subject>
    <reference value="Patient/371" />
  </subject>
  <effectiveDateTime value="2017-06-02T11:04:44+02:00" />
  <valueCodeableConcept>
    <coding>
      <system value="urn:iso:std:iso:11073:10101" />
      <code value="147474" />
      <display value="MDC_ECG_SINUS_RHY" />
    </coding>
    <text value="Sinus rhythm" />
  </valueCodeableConcept>
  <device>
    <reference value="DeviceMetric/221" />
  </device>
</Observation>