{
  "url": "https://dantelabs.com/traits/abnormal-t-wave",
  "trait": {
    "bundleId": "2026.10.17-8666dff2",
    "release": "2026-09-01",
    "slug": "abnormal-t-wave",
    "id": "HP:0005135",
    "name": "Abnormal T-wave",
    "definition": "An abnormality of the T wave on the electrocardiogram, which mainly represents the repolarization of the ventricles.",
    "synonyms": [
      "EKG: T-wave abnormalities",
      "T-wave abnormalities"
    ],
    "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-ekg",
        "name": "Abnormal EKG",
        "url": "https://dantelabs.com/traits/abnormal-ekg"
      }
    ],
    "narrower": [
      {
        "slug": "t-wave-inversion",
        "name": "T-wave inversion",
        "genes": 8,
        "url": "https://dantelabs.com/traits/t-wave-inversion"
      },
      {
        "slug": "t-wave-alternans",
        "name": "T-wave alternans",
        "genes": 3,
        "url": "https://dantelabs.com/traits/t-wave-alternans"
      },
      {
        "slug": "notched-t-wave",
        "name": "Notched T wave",
        "genes": 2,
        "url": "https://dantelabs.com/traits/notched-t-wave"
      }
    ],
    "genes": [
      {
        "slug": "dcaf17",
        "symbol": "DCAF17",
        "hgnc": "HGNC:25784",
        "name": "DDB1 and CUL4 associated factor 17",
        "frequency": "very-frequent",
        "diseases": 2,
        "url": "https://dantelabs.com/genes/dcaf17"
      },
      {
        "slug": "atp1a2",
        "symbol": "ATP1A2",
        "hgnc": "HGNC:800",
        "name": "ATPase Na+/K+ transporting subunit alpha 2",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/atp1a2"
      },
      {
        "slug": "atp1a3",
        "symbol": "ATP1A3",
        "hgnc": "HGNC:801",
        "name": "ATPase Na+/K+ transporting subunit alpha 3",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/atp1a3"
      },
      {
        "slug": "brf1",
        "symbol": "BRF1",
        "hgnc": "HGNC:11551",
        "name": "BRF1 general transcription factor IIIB subunit",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/brf1"
      },
      {
        "slug": "cacna1a",
        "symbol": "CACNA1A",
        "hgnc": "HGNC:1388",
        "name": "calcium voltage-gated channel subunit alpha1 A",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/cacna1a"
      },
      {
        "slug": "kcnj2",
        "symbol": "KCNJ2",
        "hgnc": "HGNC:6263",
        "name": "potassium inwardly rectifying channel subfamily J member 2",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/kcnj2"
      },
      {
        "slug": "kcnj5",
        "symbol": "KCNJ5",
        "hgnc": "HGNC:6266",
        "name": "potassium inwardly rectifying channel subfamily J member 5",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/kcnj5"
      },
      {
        "slug": "mt-tl2",
        "symbol": "MT-TL2",
        "hgnc": "HGNC:7491",
        "name": "mitochondrially encoded tRNA-Leu (CUN) 2",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/mt-tl2"
      },
      {
        "slug": "rhobtb2",
        "symbol": "RHOBTB2",
        "hgnc": "HGNC:18756",
        "name": "Rho related BTB domain containing 2",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/rhobtb2"
      },
      {
        "slug": "ryr1",
        "symbol": "RYR1",
        "hgnc": "HGNC:10483",
        "name": "ryanodine receptor 1",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/ryr1"
      },
      {
        "slug": "scn2a",
        "symbol": "SCN2A",
        "hgnc": "HGNC:10588",
        "name": "sodium voltage-gated channel alpha subunit 2",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/scn2a"
      },
      {
        "slug": "slc1a3",
        "symbol": "SLC1A3",
        "hgnc": "HGNC:10941",
        "name": "solute carrier family 1 member 3",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/slc1a3"
      },
      {
        "slug": "slc2a1",
        "symbol": "SLC2A1",
        "hgnc": "HGNC:11005",
        "name": "solute carrier family 2 member 1",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/slc2a1"
      },
      {
        "slug": "clcnkb",
        "symbol": "CLCNKB",
        "hgnc": "HGNC:2027",
        "name": "chloride voltage-gated channel Kb",
        "frequency": "very-rare",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/clcnkb"
      },
      {
        "slug": "slc12a3",
        "symbol": "SLC12A3",
        "hgnc": "HGNC:10912",
        "name": "solute carrier family 12 member 3",
        "frequency": "very-rare",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/slc12a3"
      },
      {
        "slug": "mecp2",
        "symbol": "MECP2",
        "hgnc": "HGNC:6990",
        "name": "methyl-CpG binding protein 2",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/mecp2"
      }
    ]
  }
}