{
  "url": "https://dantelabs.com/traits/shortened-qt-interval",
  "trait": {
    "bundleId": "2026.10.17-8666dff2",
    "release": "2026-09-01",
    "slug": "shortened-qt-interval",
    "id": "HP:0012232",
    "name": "Shortened QT interval",
    "definition": "Decreased time between the start of the Q wave and the end of the T wave as measured by the electrocardiogram (EKG).",
    "synonyms": [],
    "systems": [
      {
        "slug": "abnormality-of-the-cardiovascular-system",
        "name": "Abnormality of the cardiovascular system",
        "url": "https://dantelabs.com/traits/abnormality-of-the-cardiovascular-system"
      }
    ],
    "broader": [
      {
        "slug": "abnormal-qt-interval",
        "name": "Abnormal QT interval",
        "url": "https://dantelabs.com/traits/abnormal-qt-interval"
      }
    ],
    "narrower": [],
    "genes": [
      {
        "slug": "cacna2d1",
        "symbol": "CACNA2D1",
        "hgnc": "HGNC:1399",
        "name": "calcium voltage-gated channel auxiliary subunit alpha2delta 1",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/cacna2d1"
      },
      {
        "slug": "kcnh2",
        "symbol": "KCNH2",
        "hgnc": "HGNC:6251",
        "name": "potassium voltage-gated channel subfamily H member 2",
        "frequency": "obligate",
        "diseases": 2,
        "url": "https://dantelabs.com/genes/kcnh2"
      },
      {
        "slug": "kcnj2",
        "symbol": "KCNJ2",
        "hgnc": "HGNC:6263",
        "name": "potassium inwardly rectifying channel subfamily J member 2",
        "frequency": "obligate",
        "diseases": 2,
        "url": "https://dantelabs.com/genes/kcnj2"
      },
      {
        "slug": "kcnq1",
        "symbol": "KCNQ1",
        "hgnc": "HGNC:6294",
        "name": "potassium voltage-gated channel subfamily Q member 1",
        "frequency": "obligate",
        "diseases": 2,
        "url": "https://dantelabs.com/genes/kcnq1"
      },
      {
        "slug": "slc4a3",
        "symbol": "SLC4A3",
        "hgnc": "HGNC:11029",
        "name": "solute carrier family 4 member 3",
        "frequency": "obligate",
        "diseases": 2,
        "url": "https://dantelabs.com/genes/slc4a3"
      },
      {
        "slug": "cdc73",
        "symbol": "CDC73",
        "hgnc": "HGNC:16783",
        "name": "cell division cycle 73",
        "frequency": "frequent",
        "diseases": 2,
        "url": "https://dantelabs.com/genes/cdc73"
      },
      {
        "slug": "cdkn1b",
        "symbol": "CDKN1B",
        "hgnc": "HGNC:1785",
        "name": "cyclin dependent kinase inhibitor 1B",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/cdkn1b"
      },
      {
        "slug": "cdkn2b",
        "symbol": "CDKN2B",
        "hgnc": "HGNC:1788",
        "name": "cyclin dependent kinase inhibitor 2B",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/cdkn2b"
      },
      {
        "slug": "men1",
        "symbol": "MEN1",
        "hgnc": "HGNC:7010",
        "name": "menin 1",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/men1"
      },
      {
        "slug": "cacna1c",
        "symbol": "CACNA1C",
        "hgnc": "HGNC:1390",
        "name": "calcium voltage-gated channel subunit alpha1 C",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/cacna1c"
      },
      {
        "slug": "cacnb2",
        "symbol": "CACNB2",
        "hgnc": "HGNC:1402",
        "name": "calcium voltage-gated channel auxiliary subunit beta 2",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/cacnb2"
      }
    ]
  }
}