{
  "package" : "hl7.fhir.r4.core@4.0.1",
  "definition" : "The maximum negative rate of change of pressure",
  "system" : "http://dicom.nema.org/resources/ontology/DCM",
  "property" : [ ],
  "codesystem" : "edcf6828-b2c8-5028-b7f7-246cb8d5ac80",
  "concept_id" : "2cfd6418-1522-5a1f-adb2-06e97651f351",
  "ancestors" : {
    "109026" : 0
  },
  "id" : "a712b38f-18c9-4dfc-91b5-9d989f6e14e2",
  "code" : "109026",
  "display" : "Max neg dp/dt",
  "version" : "01"
}