{
  "id": 2928,
  "label": "second-degree atrioventricular block",
  "model": {
    "label": "Mondo Disease Ontology (MONDO)",
    "source": 0
  },
  "type_id": 0,
  "reference_id": "MONDO:0000467",
  "properties": {
    "xrefs": [
      "DOID:0050822",
      "ICD10CM:I44.1",
      "ICD9:426.13",
      "MEDGEN:75546",
      "NCIT:C111119",
      "SCTID:195042002",
      "UMLS:C0264906",
      "icd11.foundation:821174901"
    ],
    "synonyms": [
      "AV block second degree",
      "atrioventricular block second degree",
      "atrioventricular block, second degree",
      "second degree AV block",
      "second degree atrioventricular block"
    ],
    "categories": [
      {
        "ref": "MONDO:0004995",
        "name": "cardiovascular disorder"
      }
    ],
    "definition": "Intermittent failure of atrial electrical impulse conduction to the ventricles."
  },
  "isLeaf": false,
  "isRoot": false,
  "child_count": 2,
  "parents": [
    {
      "id": 2926,
      "label": "atrioventricular block",
      "isLeaf": false,
      "isRoot": false,
      "parents": [
        3258,
        10115
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "DOID:0050820",
          "HP:0001678",
          "ICD9:426.10",
          "MEDGEN:13956",
          "MESH:D054537",
          "SCTID:233917008",
          "UMLS:C0004245"
        ],
        "synonyms": [
          "AV block",
          "AV nodal block",
          "AVB",
          "atrioventricular block",
          "atrioventricular block (disease)"
        ],
        "categories": [
          {
            "ref": "MONDO:0004995",
            "name": "cardiovascular disorder"
          }
        ],
        "definition": "A heart block that is initiated in the atrioventricular node."
      },
      "child_count": 8,
      "reference_id": "MONDO:0000465"
    }
  ],
  "children": [
    {
      "id": 3498,
      "label": "Mobitz type II atrioventricular block",
      "isLeaf": true,
      "isRoot": false,
      "parents": [
        2928
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "DOID:11312",
          "GARD:0022910",
          "ICD9:426.12",
          "MEDGEN:102340",
          "NANDO:2100044",
          "NANDO:2200213",
          "NCIT:C62018",
          "SCTID:28189009",
          "UMLS:C0155700"
        ],
        "synonyms": [
          "AV block second degree Mobitz type II",
          "AV block second degree Möbitz type II",
          "Mobitz (type) II atrioventricular block",
          "Mobitz II",
          "Mobitz type II second degree AV block",
          "Möbitz II",
          "Möbitz type II second degree AV block",
          "second degree atrioventricular block Mobitz type II",
          "second degree atrioventricular block Möbitz type II",
          "type 2 2nd degree AV block",
          "type 2 second degree AV block",
          "type II second degree AV block",
          "type II second degree atrioventricular block"
        ],
        "categories": [
          {
            "ref": "MONDO:0004995",
            "name": "cardiovascular disorder"
          }
        ],
        "definition": "A disorder characterized by an electrocardiographic finding of intermittent failure of atrial electrical impulse conduction to the ventricles, characterized by a relatively constant PR interval prior to the block of an atrial impulse. (CDISC)"
      },
      "child_count": 0,
      "reference_id": "MONDO:0001261"
    },
    {
      "id": 20147,
      "label": "Mobitz type I atrioventricular block",
      "isLeaf": true,
      "isRoot": false,
      "parents": [
        2928
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "MEDGEN:82687",
          "NCIT:C62017",
          "UMLS:C0264907"
        ],
        "synonyms": [
          "AV block second degree Mobitz type I",
          "AV block second degree Möbitz type I",
          "Mobitz I",
          "Mobitz type I",
          "Mobitz type I second degree AV block",
          "Möbitz I",
          "Möbitz type I second degree AV block",
          "Wenckebach block",
          "second degree atrioventricular block Mobitz type I",
          "second degree atrioventricular block Möbitz type I",
          "type 1 2nd degree AV block",
          "type 1 second degree AV block",
          "type 1 second degree atrioventricular block"
        ],
        "categories": [
          {
            "ref": "MONDO:0004995",
            "name": "cardiovascular disorder"
          }
        ],
        "definition": "A disorder characterized by an electrocardiographic finding of intermittent failure of atrial electrical impulse conduction to the ventricles, characterized by a progressively lengthening PR interval prior to the block of an atrial impulse. (CDISC)"
      },
      "child_count": 0,
      "reference_id": "MONDO:0020744"
    }
  ],
  "roots": [
    {
      "id": 2926,
      "label": "atrioventricular block"
    }
  ]
}