| | | Single nucleotide variant (5 prime UTR variant) | Congenital long QT syndrome +7 more | GConflicting classifications of pathogenicity |
| | | Single nucleotide variant (synonymous variant) | Long QT syndrome +7 more | |
| | | Single nucleotide variant (missense variant) | Short QT syndrome type 2 +8 more | GConflicting classifications of pathogenicity |
| | | Single nucleotide variant (missense variant) | Long QT syndrome +2 more | |
| | | Single nucleotide variant (synonymous variant) | Cardiovascular phenotype +8 more | |
| | | Single nucleotide variant (synonymous variant) | not specified +10 more | GConflicting classifications of pathogenicity |
| | | Single nucleotide variant (intron variant) | not provided +8 more | |
| | | Single nucleotide variant (synonymous variant +1 more) | not specified +3 more | |
| | | Single nucleotide variant (missense variant) | not provided +3 more | GPathogenic/Likely pathogenic |
| | | Single nucleotide variant (missense variant) | Cardiac arrhythmia +8 more | |
| | | Single nucleotide variant (missense variant) | Cardiovascular phenotype +5 more | |
| | | Single nucleotide variant (synonymous variant +1 more) | Long QT syndrome +8 more | |
| | | Single nucleotide variant (missense variant) | Cardiovascular phenotype +4 more | GPathogenic/Likely pathogenic |
| | | Single nucleotide variant (synonymous variant +1 more) | Long QT syndrome +8 more | GConflicting classifications of pathogenicity |
| | | Single nucleotide variant (synonymous variant +1 more) | not specified +4 more | |
| | | Single nucleotide variant (missense variant) | Cardiovascular phenotype +7 more | GConflicting classifications of pathogenicity |
| | | Single nucleotide variant (missense variant) | Long QT syndrome 1 +3 more | GPathogenic/Likely pathogenic |
| | | Single nucleotide variant (synonymous variant) | Long QT syndrome +4 more | |
| | | Single nucleotide variant (nonsense) | Long QT syndrome 1 +6 more | |
| | | Single nucleotide variant (missense variant) | Long QT syndrome +3 more | GPathogenic/Likely pathogenic |
| | | Deletion (frameshift variant) | Long QT syndrome 1 +3 more | |
| | | Single nucleotide variant (missense variant) | Long QT syndrome +10 more | GConflicting classifications of pathogenicity |
| | | Single nucleotide variant (synonymous variant) | Long QT syndrome | |
| | | Duplication (frameshift variant) | Congenital long QT syndrome +8 more | |
| | | Single nucleotide variant (missense variant) | Long QT syndrome 1 +8 more | |
| | | Microsatellite (intron variant) | not provided +2 more | |
| | | Single nucleotide variant (intron variant) | not provided +8 more | |
| | KCNQ1, KCNQ1OT1 (N483K +4 more) | Single nucleotide variant (missense variant) | Cardiac arrhythmia +1 more | |
| | | Single nucleotide variant (synonymous variant) | not specified +9 more | |
| | | Single nucleotide variant (synonymous variant) | Cardiovascular phenotype +7 more | GConflicting classifications of pathogenicity |
| | | Single nucleotide variant (intron variant) | not specified +2 more | |
| | | Single nucleotide variant (missense variant) | Long QT syndrome +2 more | GConflicting classifications of pathogenicity |
| | | Single nucleotide variant (intron variant) | Cardiac arrhythmia +8 more | |
| | | Single nucleotide variant (intron variant) | not provided +3 more | |
| | | Single nucleotide variant (synonymous variant) | Cardiovascular phenotype +8 more | |
| | | Single nucleotide variant (missense variant) | not provided +9 more | GPathogenic/Likely pathogenic |
| | | Single nucleotide variant (synonymous variant) | Cardiovascular phenotype +8 more | GConflicting classifications of pathogenicity |
| | KCNQ1, KCNQ1-AS1 (G516S +5 more) | Single nucleotide variant (missense variant) | Cardiovascular phenotype +8 more | |
| | | Single nucleotide variant (synonymous variant) | Long QT syndrome +9 more | |