| | KCNQ1, KCNQ1OT1 (H298fs +4 more) | Deletion (non-coding transcript variant +1 more) | Long QT syndrome 1 | |
| | | Deletion (frameshift variant) | Jervell and Lange-Nielsen syndrome 1 +3 more | |
| | | Single nucleotide variant (nonsense +1 more) | Jervell and Lange-Nielsen syndrome 1 +3 more | |
| | | Single nucleotide variant (missense variant +1 more) | Jervell and Lange-Nielsen syndrome 1 | |
| | | Single nucleotide variant (missense variant) | Long QT syndrome 1 | |
| | | Single nucleotide variant (intron variant) | Long QT syndrome 1 | |
| | | Deletion (splice acceptor variant +1 more) | Long QT syndrome 1 | |
| | | Single nucleotide variant (missense variant +1 more) | Long QT syndrome 1 | |
| | | Single nucleotide variant (non-coding transcript variant +1 more) | KCNQ1-related disorder | |
| | | Single nucleotide variant (non-coding transcript variant +1 more) | KCNQ1-related disorder | |
| | | Single nucleotide variant (non-coding transcript variant +1 more) | KCNQ1OT1-related disorder | |
| | | Single nucleotide variant (non-coding transcript variant +1 more) | KCNQ1-related disorder | |
| | | Single nucleotide variant (non-coding transcript variant +1 more) | KCNQ1-related disorder | |
| | | Single nucleotide variant (non-coding transcript variant +1 more) | KCNQ1-related disorder | |
| | | Single nucleotide variant (missense variant +1 more) | not provided | |
| | | Single nucleotide variant (non-coding transcript variant +1 more) | not provided | |
| | | Single nucleotide variant (non-coding transcript variant +1 more) | not provided | |
| | | Single nucleotide variant (non-coding transcript variant +1 more) | not provided | |
| | | Single nucleotide variant (missense variant +1 more) | Long QT syndrome 1 | |
| | | Single nucleotide variant (missense variant +1 more) | not provided | |
| | KCNQ1, KCNQ1-AS1 (G133R +5 more) | Single nucleotide variant (missense variant) | not provided | |
| | | Single nucleotide variant (missense variant +1 more) | Atrial fibrillation | |
| | | Deletion | not provided | |
| | | Deletion (frameshift variant +1 more) | not provided | |
| | | Single nucleotide variant (missense variant +1 more) | not provided | |
| | | Deletion (frameshift variant +1 more) | Jervell and Lange-Nielsen syndrome 1 | |
| | | Single nucleotide variant (non-coding transcript variant +1 more) | Cardiovascular phenotype | |
| | | Single nucleotide variant (synonymous variant) | Cardiovascular phenotype | |
| | | Single nucleotide variant (missense variant +1 more) | Cardiovascular phenotype | |
| | KCNQ1, KCNQ1-AS1 (T444N +5 more) | Single nucleotide variant (missense variant) | Cardiovascular phenotype | |
| | | Single nucleotide variant (missense variant +1 more) | Cardiovascular phenotype | |
| | | Single nucleotide variant (synonymous variant) | Cardiovascular phenotype | |
| | | Single nucleotide variant (missense variant +1 more) | Cardiovascular phenotype | |
| | | Single nucleotide variant (non-coding transcript variant +1 more) | not provided | |
| | | Single nucleotide variant (non-coding transcript variant +1 more) | not provided | |
| | | Single nucleotide variant (non-coding transcript variant +1 more) | not provided | |
| | | Single nucleotide variant (non-coding transcript variant +1 more) | not provided | |
| | | Single nucleotide variant (non-coding transcript variant +1 more) | not provided | |
| | | Deletion (non-coding transcript variant +1 more) | not provided | |
| | | Single nucleotide variant (non-coding transcript variant +1 more) | not provided | |
| | | Single nucleotide variant (non-coding transcript variant +1 more) | not provided | |
| | | Single nucleotide variant (missense variant +1 more) | not provided | |
| | | Single nucleotide variant (synonymous variant +1 more) | not provided | |
| | | Single nucleotide variant (non-coding transcript variant +1 more) | not provided | |
| | | Single nucleotide variant (non-coding transcript variant +1 more) | not provided | |
| | | Single nucleotide variant (non-coding transcript variant +1 more) | not provided | |
| | | Single nucleotide variant (non-coding transcript variant +1 more) | not provided | |
| | | Single nucleotide variant (non-coding transcript variant +1 more) | not provided | |
| | | Single nucleotide variant (non-coding transcript variant +1 more) | not provided | |
| | | Single nucleotide variant (non-coding transcript variant +1 more) | not provided | |
| | | Single nucleotide variant (non-coding transcript variant +1 more) | not provided | |
| | | Single nucleotide variant (non-coding transcript variant +1 more) | not provided | |
| | | Single nucleotide variant (non-coding transcript variant +1 more) | not provided | |
| | | Single nucleotide variant (non-coding transcript variant +1 more) | not provided | |
| | | Single nucleotide variant (non-coding transcript variant +1 more) | not provided | |
| | | Single nucleotide variant (non-coding transcript variant +1 more) | not provided | |
| | | Single nucleotide variant (non-coding transcript variant +1 more) | not provided | |
| | | Single nucleotide variant (non-coding transcript variant +1 more) | not provided | |
| | | Single nucleotide variant (non-coding transcript variant +1 more) | not provided | |
| | | Single nucleotide variant (non-coding transcript variant +1 more) | not provided | |
| | | Single nucleotide variant (non-coding transcript variant +1 more) | not provided | |
| | | Single nucleotide variant (non-coding transcript variant +1 more) | not provided | |
| | | Deletion (non-coding transcript variant +1 more) | not provided | |
| | | Single nucleotide variant (non-coding transcript variant +1 more) | not provided | |
| | | Single nucleotide variant (non-coding transcript variant +1 more) | not provided | |
| | | Duplication | Long QT syndrome | |
| | | Duplication | Long QT syndrome | |
| | | Duplication | Long QT syndrome | |
| | | Deletion | Long QT syndrome | |
| | | Deletion | Long QT syndrome | |
| | | Deletion | Long QT syndrome | |
| | | Duplication | Beckwith-Wiedemann syndrome | |
| | | Single nucleotide variant (non-coding transcript variant +1 more) | not provided | |
| | | Single nucleotide variant (missense variant) | Long QT syndrome 1 | |
| | | Deletion (stop lost) | Atrial fibrillation, familial, 3 +2 more | |
| | | Single nucleotide variant (non-coding transcript variant +1 more) | not provided | |
| | | Single nucleotide variant (non-coding transcript variant +1 more) | not provided | |
| | | Single nucleotide variant (non-coding transcript variant +1 more) | not provided | |
| | | Single nucleotide variant (non-coding transcript variant +1 more) | not provided | |
| | | Single nucleotide variant (non-coding transcript variant +1 more) | not provided | |
| | | Microsatellite (non-coding transcript variant +1 more) | not provided | |
| | | Duplication (non-coding transcript variant +1 more) | not provided | |
| | | Single nucleotide variant (non-coding transcript variant +1 more) | not provided | |
| | | Single nucleotide variant (missense variant +1 more) | Cardiovascular phenotype | |
| | | Single nucleotide variant (synonymous variant +1 more) | Cardiovascular phenotype | |
| | | Single nucleotide variant (synonymous variant +1 more) | Cardiovascular phenotype | |
| | | Single nucleotide variant (synonymous variant) | Cardiovascular phenotype | |
| | KCNQ1, KCNQ1-AS1 (F157L +5 more) | Single nucleotide variant (missense variant) | Cardiovascular phenotype | |
| | | Single nucleotide variant (synonymous variant) | Cardiovascular phenotype | |
| | | Single nucleotide variant (synonymous variant) | Cardiovascular phenotype | |
| | | Single nucleotide variant (synonymous variant) | Cardiovascular phenotype | |
| | | Single nucleotide variant (synonymous variant) | Cardiovascular phenotype | |
| | | Deletion (frameshift variant +1 more) | Congenital long QT syndrome | |
| | | Single nucleotide variant (splice donor variant) | Jervell and Lange-Nielsen syndrome | |
| | | Single nucleotide variant (intron variant) | Long QT syndrome | |
| | | Deletion (frameshift variant) | Long QT syndrome | |
| | | Single nucleotide variant (missense variant) | Long QT syndrome | |
| | KCNQ1, KCNQ1-AS1 (P135L +5 more) | Single nucleotide variant (missense variant) | Long QT syndrome | |
| | KCNQ1, KCNQ1-AS1 (D153G +5 more) | Single nucleotide variant (missense variant) | Long QT syndrome | |
| | KCNQ1, KCNQ1-AS1 (L112F +5 more) | Single nucleotide variant (missense variant) | Long QT syndrome | |