{
  "package" : "hl7.fhir.r4.examples@4.0.1",
  "definition" : "The first negative deflection of the electrocardiogram caused by ventricular depolarization",
  "system" : "http://dicom.nema.org/resources/ontology/DCM",
  "property" : [ ],
  "codesystem" : "5f336dd4-db81-5653-939a-25648922f08e",
  "concept_id" : "ad0de62a-a7c4-51ac-ad17-a78d69e8e876",
  "ancestors" : {
    "109042" : 0
  },
  "id" : "d9d903f9-9c51-42e1-8241-f32d1e9d3997",
  "code" : "109042",
  "display" : "Q wave",
  "version" : "01"
}