[
  {
    "phenotype_id": "PH4114",
    "phenotype_version_id": 9332,
    "name": "Atrioventricular block, second degree",
    "definition": "An atrioventricular block that is characterized by progressive prolongation of the PR interval on consecutive beats followed by a blocked P wave on electrocardiogram or intermittently non\\-conducted P waves not preceded by PR changes on electrocardiogram caused by a conduction block between the atria and the ventricles through the atrioventricular node.\n\nUKB baseline self reported fields.\n",
    "implementation": "The earliest record across all sources is obtained.\n",
    "publications": [
      {
        "doi": "https://doi.org/10.1038/s41598-025-05838-9",
        "details": "Torralbo, Ana and Davitte, Jonathan M. and Croteau-Chonka, Damien C. and Ytsma, Cai R. and Tomlinson, Christopher and Fitzpatrick, Natalie and Chung, Sheng-Chia and Fatemifar, Ghazaleh and Cortes, Adrian S. and Richardson, Tom G. and Barclay, Matthew and Carrasco Zanini Sanchez, Julia and Finan, Chris and Hemingway, Harry and Hingorani, Aroon D. and Kuan Po Ai, Valerie and Langenberg, Claudia and Lyratzopoulos, Georgios and Lumbers, Tom and Pietzner, Maik and Shah, Anoop Dinesh and Thygesen, Johan Hilge and Zelenka, Natalie and Whittaker, John C. and Ehm, Margaret G. and Denaxas, Spiros, A Computational Framework for Defining and Validating Reproducible Phenotyping Algorithms of 313 Diseases in the UK Biobank.",
        "primary": true
      }
    ],
    "validation": "Phenotypes underwent a multi\\-layered validation approach that included a) evaluating data source concordance, b) age\\-sex incidence and baseline prevalence patterns, c) an external comparison to a representative and unselected UK EHR dataset, d) modifiable risk factor associations, and e) genetic correlations with external genome\\-wide association studies (GWAS). Results showed consistent disease distributions by age and sex, high ranked correlation with general population prevalence estimates, confirmed risk factor associations, and significant genetic correlations with external GWAS.\n",
    "citation_requirements": null,
    "created": "2026-06-08T20:06:27.095483Z",
    "author": "Torralbo, A; Davitte, J M; Croteau-Chonka, D C; Ytsma, C; Tomlinson, C; Fitzpatrick, N K; Chung, S C; Fatemifar, G; Cortes, A S; Richardson, T G; Barclay, M; Carrasco Zanini, J; Finan, C; Hemingway, H; Hingorani, A; Kuan, V; Langenberg, C; Lyratzopoulos, G; Lumbers, R T; Pietzner, M; Shah, A D; Thygesen, J H; Zelenka, N; Whittaker, J C; Ehm, M G; Denaxas, S",
    "collections": [
      {
        "name": "Phenotype Library",
        "value": 18
      },
      {
        "name": "UK Biobank",
        "value": 32
      }
    ],
    "tags": null,
    "organisation": null,
    "world_access": 1,
    "updated": "2026-06-08T20:06:27.089901Z",
    "sex": [
      {
        "name": "Both",
        "value": "3"
      }
    ],
    "type": [
      {
        "name": "Disease or syndrome",
        "value": "2"
      }
    ],
    "trials": null,
    "ontology": [
      {
        "name": "Second degree atrioventricular block (disorder)",
        "value": 537416
      }
    ],
    "phenoflowid": null,
    "data_sources": [
      {
        "name": "UK Biobank",
        "value": 13,
        "uid": "6a9f93ad-2434-41d9-93bf-6e9d2eee04e5",
        "url": "https://healthdatagateway.org/en/dataset/700",
        "datasource_id": 700
      },
      {
        "name": "Patient Episode Dataset for Wales (PEDW)",
        "value": 40,
        "uid": "4c33a5d2-164c-41d7-9797-dc2b008cc852",
        "url": "https://healthdatagateway.org/en/dataset/318",
        "datasource_id": 318
      },
      {
        "name": "Scottish Cancer Registry (SMR06)",
        "value": 417,
        "uid": "ad36dc03-1856-44de-99b0-1af6f312d86b",
        "url": "https://healthdatagateway.org/en/dataset/79",
        "datasource_id": 79
      },
      {
        "name": "Cancer Registration Data",
        "value": 788,
        "uid": "6904a2ff-ab44-4dd6-b9ec-25d3cad29e43",
        "url": "https://healthdatagateway.org/en/dataset/880",
        "datasource_id": 880
      }
    ],
    "endorsements": null,
    "project_name": null,
    "coding_system": [
      {
        "name": "ICD10 codes",
        "value": 4
      },
      {
        "name": "Read codes v3",
        "value": 6
      }
    ],
    "corresp_author": "Ana Torralbo",
    "event_date_range": null,
    "concept_information": [
      {
        "concept_id": 9697,
        "concept_version_id": 17182,
        "concept_name": "Diagnoses - main ICD10",
        "coding_system": {
          "id": 4,
          "name": "ICD10 codes",
          "description": "ICD10 Codes"
        },
        "phenotype_id": "PH4114",
        "phenotype_version_id": 9332,
        "phenotype_name": "Atrioventricular block, second degree",
        "code_attribute_header": [
          "type"
        ],
        "codes": [
          {
            "code": "I44.1",
            "description": "Atrioventricular block, second degree",
            "attributes": {
              "type": "any"
            }
          }
        ]
      },
      {
        "concept_id": 9698,
        "concept_version_id": 17183,
        "concept_name": "Diagnoses - secondary ICD10",
        "coding_system": {
          "id": 4,
          "name": "ICD10 codes",
          "description": "ICD10 Codes"
        },
        "phenotype_id": "PH4114",
        "phenotype_version_id": 9332,
        "phenotype_name": "Atrioventricular block, second degree",
        "code_attribute_header": [
          "type"
        ],
        "codes": [
          {
            "code": "I44.1",
            "description": "Atrioventricular block, second degree",
            "attributes": {
              "type": "any"
            }
          }
        ]
      },
      {
        "concept_id": 9699,
        "concept_version_id": 17184,
        "concept_name": "Underlying (primary) cause of death: ICD10",
        "coding_system": {
          "id": 4,
          "name": "ICD10 codes",
          "description": "ICD10 Codes"
        },
        "phenotype_id": "PH4114",
        "phenotype_version_id": 9332,
        "phenotype_name": "Atrioventricular block, second degree",
        "code_attribute_header": [
          "type"
        ],
        "codes": [
          {
            "code": "I44.1",
            "description": "Atrioventricular block, second degree",
            "attributes": {
              "type": "any"
            }
          }
        ]
      },
      {
        "concept_id": 9700,
        "concept_version_id": 17185,
        "concept_name": "Contributory (secondary) causes of death: ICD10",
        "coding_system": {
          "id": 4,
          "name": "ICD10 codes",
          "description": "ICD10 Codes"
        },
        "phenotype_id": "PH4114",
        "phenotype_version_id": 9332,
        "phenotype_name": "Atrioventricular block, second degree",
        "code_attribute_header": [
          "type"
        ],
        "codes": [
          {
            "code": "I44.1",
            "description": "Atrioventricular block, second degree",
            "attributes": {
              "type": "any"
            }
          }
        ]
      },
      {
        "concept_id": 9701,
        "concept_version_id": 17186,
        "concept_name": "GP clinical event records",
        "coding_system": {
          "id": 6,
          "name": "Read codes v3",
          "description": "Read codes v3"
        },
        "phenotype_id": "PH4114",
        "phenotype_version_id": 9332,
        "phenotype_name": "Atrioventricular block, second degree",
        "code_attribute_header": [
          "type"
        ],
        "codes": [
          {
            "code": "3295.00",
            "description": "ECG: partial A-V block - 2:1",
            "attributes": {
              "type": "any"
            }
          },
          {
            "code": "3296.00",
            "description": "ECG: partial A-V block - 3:1",
            "attributes": {
              "type": "any"
            }
          },
          {
            "code": "3297.00",
            "description": "ECG: Wenckebach phenomenon",
            "attributes": {
              "type": "any"
            }
          },
          {
            "code": "3297.11",
            "description": "Electrocardiogram: Mobitz type 1 second degree AV block",
            "attributes": {
              "type": "any"
            }
          },
          {
            "code": "329H.00",
            "description": "Electrocardiogram: Mobitz type 2 second degree AV block",
            "attributes": {
              "type": "any"
            }
          },
          {
            "code": "G561200",
            "description": "Mobitz type II atrioventricular block",
            "attributes": {
              "type": "any"
            }
          },
          {
            "code": "G561300",
            "description": "Mobitz type I (Wenckebach) atrioventricular block",
            "attributes": {
              "type": "any"
            }
          },
          {
            "code": "G561311",
            "description": "Mobitz type 1 second degree atrioventricular block",
            "attributes": {
              "type": "any"
            }
          },
          {
            "code": "G561400",
            "description": "Second degree atrioventricular block",
            "attributes": {
              "type": "any"
            }
          },
          {
            "code": "X202a",
            "description": "Second degree atrioventricular block",
            "attributes": {
              "type": "any"
            }
          },
          {
            "code": "XaXGh",
            "description": "Electrocardiogram: Mobitz type 2 second degree atrioventricular block",
            "attributes": {
              "type": "any"
            }
          }
        ]
      }
    ],
    "status": 1,
    "doi": "https://doi.org/10.48533/1kyh-dj42",
    "is_deleted": false,
    "publish_status": 2,
    "owner": "ieuan.scanlon",
    "template": {
      "id": 2,
      "name": "BHF Data Science Centre Phenotype",
      "description": "BHF Data Science Centre Phenotype definitions that describe a list of clinical codes, algorithms using clinical codes, or set of clinical trials. Visit the BHF Data Science Centre website to learn more: https://bhfdatasciencecentre.org",
      "version_id": 1
    },
    "versions": [
      {
        "version_id": 9332,
        "version_name": "Atrioventricular block, second degree",
        "version_date": "2026-06-08T20:06:27.101781Z",
        "is_published": true,
        "is_latest": true
      }
    ]
  }
]