{
  "package" : "hl7.fhir.r4.examples@4.0.1",
  "definition" : "Mass = 1.05P ((b + t)2 X (2/3 (a + t) + d - d3 /3(a + t)2) - b2 (2/3a + d - d3 /3a2)) a = Semi-major axis from widest minor axis radius to apex. b = Short axis radius calculated from short axis cavity area t = Myocardial thickness calculated from short axis epicardial and cavity areas d = Truncated semi-major axis from widest short axis diameter to plane of mitral annulus. Mass unit is grams and length in cm. Schiller NB et al: Recommendations for quantification of the left ventricle by two-dimensional echocardiography, American Society of Echocardiography 2:364, 1989. ",
  "system" : "http://dicom.nema.org/resources/ontology/DCM",
  "property" : [ ],
  "codesystem" : "5f336dd4-db81-5653-939a-25648922f08e",
  "concept_id" : "848ffc9c-81b2-5e16-a23e-7a1bf2ad0043",
  "ancestors" : {
    "125222" : 0
  },
  "id" : "402a497c-1836-4928-a951-d96ba4994757",
  "code" : "125222",
  "display" : "Left Ventricle Mass by Truncated Ellipse",
  "version" : "01"
}