{
  "package" : "hl7.fhir.r4.examples@4.0.1",
  "definition" : "The first negative deflection after the R wave",
  "system" : "http://dicom.nema.org/resources/ontology/DCM",
  "property" : [ ],
  "codesystem" : "5f336dd4-db81-5653-939a-25648922f08e",
  "concept_id" : "d3100932-0060-5cfa-843e-9b53869b11f6",
  "ancestors" : {
    "109044" : 0
  },
  "id" : "5182f391-b42d-4391-abc4-afd077672187",
  "code" : "109044",
  "display" : "S wave",
  "version" : "01"
}