{
  "url": "https://dantelabs.com/traits/breath-holding-spell",
  "trait": {
    "bundleId": "2026.10.19-9814e911",
    "release": "2026-09-01",
    "slug": "breath-holding-spell",
    "id": "HP:6000950",
    "name": "Breath-holding spell",
    "definition": "A benign paroxysmal nonepileptic disorder occurring in healthy children 6 to 48 months of age. The episodes start with a provocation such as emotional upset or minor injury, and might progress to breath holding, cyanosis, and syncope.",
    "synonyms": [],
    "systems": [
      {
        "slug": "abnormality-of-the-respiratory-system",
        "name": "Abnormality of the respiratory system",
        "url": "https://dantelabs.com/traits/abnormality-of-the-respiratory-system"
      }
    ],
    "broader": [
      {
        "slug": "abnormal-pattern-of-respiration",
        "name": "Abnormal pattern of respiration",
        "url": "https://dantelabs.com/traits/abnormal-pattern-of-respiration"
      }
    ],
    "narrower": [],
    "genes": [
      {
        "slug": "hivep2",
        "symbol": "HIVEP2",
        "hgnc": "HGNC:4921",
        "name": "HIVEP zinc finger 2",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/hivep2"
      },
      {
        "slug": "rnu2-2",
        "symbol": "RNU2-2",
        "hgnc": "HGNC:10152",
        "name": "RNA, U2 small nuclear 2",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/rnu2-2"
      },
      {
        "slug": "wdr83os",
        "symbol": "WDR83OS",
        "hgnc": "HGNC:30203",
        "name": "WD repeat domain 83 opposite strand",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/wdr83os"
      },
      {
        "slug": "fgfr2",
        "symbol": "FGFR2",
        "hgnc": "HGNC:3689",
        "name": "fibroblast growth factor receptor 2",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/fgfr2"
      }
    ]
  }
}