{
  "package" : "hl7.fhir.r4.examples@4.0.1",
  "definition" : "Relationship between blood velocity and time relative to R-wave peak",
  "system" : "http://dicom.nema.org/resources/ontology/DCM",
  "property" : [ ],
  "codesystem" : "5f336dd4-db81-5653-939a-25648922f08e",
  "concept_id" : "d1f45fdf-8ed4-518f-9c05-f9ae208a9802",
  "ancestors" : {
    "122667" : 0
  },
  "id" : "dc872d3f-83e6-4143-b5e0-d01b2d1c5cc2",
  "code" : "122667",
  "display" : "Blood velocity vs. time of cardiac cycle",
  "version" : "01"
}