<?xml version="1.0" encoding="UTF-8"?>

<Observation xmlns="http://hl7.org/fhir">
  <id value="example-ecg-qrs-duration"/>
  <meta>
    <profile value="http://fhir.tiro.health/StructureDefinition/CardiacMeasurement"/>
  </meta>
  <text>
    <status value="generated"/><div xmlns="http://www.w3.org/1999/xhtml"><p class="res-header-id"><b>Generated Narrative: Observation example-ecg-qrs-duration</b></p><a name="example-ecg-qrs-duration"> </a><a name="hcexample-ecg-qrs-duration"> </a><div style="display: inline-block; background-color: #d9e0e7; padding: 6px; margin: 4px; border: 1px solid #8da1b4; border-radius: 5px; line-height: 60%"><p style="margin-bottom: 0px"/><p style="margin-bottom: 0px">Profile: <a href="StructureDefinition-CardiacMeasurement.html">Cardiac Measurement</a></p></div><p><b>status</b>: Final</p><p><b>category</b>: <span title="Codes:{http://terminology.hl7.org/CodeSystem/observation-category procedure}">Procedure</span></p><p><b>code</b>: <span title="Codes:{http://loinc.org 8633-0}">QRS duration</span></p><p><b>subject</b>: <a href="Patient-ExampleHolterPatient.html">Anonymous Patient (no stated gender), DoB Unknown ( http://example.org/fhir/patient#example-patient-1)</a></p><p><b>effective</b>: 2026-05-12 09:14:00+0200</p><p><b>value</b>: 92 ms<span style="background: LightGoldenRodYellow"> (Details: UCUM  codems = 'ms')</span></p><p><b>method</b>: <span title="Codes:{http://snomed.info/sct 29303009}">Electrocardiographic procedure</span></p></div>
  </text>
  <status value="final"/>
  <category>
    <coding>
      <system value="http://terminology.hl7.org/CodeSystem/observation-category"/>
      <code value="procedure"/>
      <display value="Procedure"/>
    </coding>
  </category>
  <code>
    <coding>
      <system value="http://loinc.org"/>
      <code value="8633-0"/>
      <display value="QRS duration"/>
    </coding>
  </code>
  <subject>
    <reference value="Patient/ExampleHolterPatient"/>
  </subject>
  <effectiveDateTime value="2026-05-12T09:14:00+02:00"/>
  <valueQuantity>
    <value value="92"/>
    <unit value="ms"/>
    <system value="http://unitsofmeasure.org"/>
    <code value="ms"/>
  </valueQuantity>
  <method>
    <coding>
      <system value="http://snomed.info/sct"/>
      <code value="29303009"/>
      <display value="Electrocardiographic procedure"/>
    </coding>
  </method>
</Observation>