{
  "url": "https://dantelabs.com/traits/orthostatic-syncope",
  "trait": {
    "bundleId": "2026.10.16-c6eea6bf",
    "release": "2026-09-01",
    "slug": "orthostatic-syncope",
    "id": "HP:0012670",
    "name": "Orthostatic syncope",
    "definition": "Syncope following a quick change in position from lying down to standing.",
    "synonyms": [],
    "systems": [
      {
        "slug": "abnormality-of-the-cardiovascular-system",
        "name": "Abnormality of the cardiovascular system",
        "url": "https://dantelabs.com/traits/abnormality-of-the-cardiovascular-system"
      },
      {
        "slug": "abnormality-of-the-nervous-system",
        "name": "Abnormality of the nervous system",
        "url": "https://dantelabs.com/traits/abnormality-of-the-nervous-system"
      }
    ],
    "broader": [
      {
        "slug": "syncope",
        "name": "Fainting spell",
        "url": "https://dantelabs.com/traits/syncope"
      }
    ],
    "narrower": [],
    "genes": [
      {
        "slug": "coq2",
        "symbol": "COQ2",
        "hgnc": "HGNC:25223",
        "name": "coenzyme Q2, polyprenyltransferase",
        "frequency": "frequent",
        "diseases": 2,
        "url": "https://dantelabs.com/genes/coq2"
      },
      {
        "slug": "dbh",
        "symbol": "DBH",
        "hgnc": "HGNC:2689",
        "name": "dopamine beta-hydroxylase",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/dbh"
      }
    ]
  }
}