| | | Microsatellite (intron variant) | not provided +2 more | |
| | | Single nucleotide variant (intron variant) | Short QT syndrome type 2 +8 more | |
| | | Single nucleotide variant (intron variant) | Cardiac arrhythmia +4 more | GConflicting classifications of pathogenicity |
| | | Single nucleotide variant (intron variant) | not provided +8 more | GConflicting classifications of pathogenicity |
| | | Single nucleotide variant (intron variant) | Cardiovascular phenotype +3 more | GConflicting classifications of pathogenicity |
| | | Single nucleotide variant (splice acceptor variant) | not provided +3 more | |
| | KCNQ1, KCNQ1OT1 (S341G +4 more) | Single nucleotide variant (missense variant) | Long QT syndrome +1 more | |
| | KCNQ1, KCNQ1OT1 (T343I +4 more) | Single nucleotide variant (missense variant) | Cardiac arrhythmia | |
| | KCNQ1, KCNQ1OT1 (L344M +4 more) | Single nucleotide variant (missense variant) | Cardiac arrhythmia | |
| | KCNQ1, KCNQ1OT1 (L345P +4 more) | Single nucleotide variant (missense variant) | Long QT syndrome +1 more | |
| | | Single nucleotide variant (synonymous variant) | Long QT syndrome +1 more | |
| | KCNQ1, KCNQ1OT1 (M349T +4 more) | Single nucleotide variant (missense variant) | Cardiac arrhythmia | |
| | KCNQ1, KCNQ1OT1 (P350S +4 more) | Single nucleotide variant (missense variant) | Cardiac arrhythmia +1 more | |
| | | Single nucleotide variant (synonymous variant) | not provided +8 more | |
| | KCNQ1, KCNQ1OT1 (F352L +4 more) | Single nucleotide variant (missense variant) | Long QT syndrome +2 more | |
| | KCNQ1, KCNQ1OT1 (D488fs +4 more) | Duplication (frameshift variant) | Cardiac arrhythmia | |
| | KCNQ1, KCNQ1OT1 (R354K +4 more) | Single nucleotide variant (missense variant) | Cardiac arrhythmia | |
| | | Single nucleotide variant (synonymous variant) | Cardiac arrhythmia | |
| | | Single nucleotide variant (synonymous variant) | Long QT syndrome +1 more | |
| | KCNQ1, KCNQ1OT1 (N483S +4 more) | Single nucleotide variant (missense variant) | Long QT syndrome +1 more | |
| | KCNQ1, KCNQ1OT1 (N483K +4 more) | Single nucleotide variant (missense variant) | Cardiac arrhythmia +1 more | |
| | KCNQ1, KCNQ1OT1 (F358S +4 more) | Single nucleotide variant (missense variant) | Cardiac arrhythmia | |
| | | Single nucleotide variant (synonymous variant) | Short QT syndrome type 2 +9 more | |
| | KCNQ1, KCNQ1OT1 (A359T +4 more) | Single nucleotide variant (missense variant) | Jervell and Lange-Nielsen syndrome 1 +8 more | GConflicting classifications of pathogenicity |
| | | Single nucleotide variant (synonymous variant) | Long QT syndrome +8 more | |
| | KCNQ1, KCNQ1OT1 (E487K +4 more) | Single nucleotide variant (missense variant) | Cardiovascular phenotype +2 more | |
| | KCNQ1, KCNQ1OT1 (D361E +4 more) | Single nucleotide variant (missense variant) | not provided +3 more | |
| | | Single nucleotide variant (synonymous variant) | Cardiac arrhythmia +1 more | |
| | KCNQ1, KCNQ1OT1 (D490G +4 more) | Single nucleotide variant (missense variant) | Cardiac arrhythmia +1 more | |
| | | Single nucleotide variant (synonymous variant) | Long QT syndrome 1 +7 more | GConflicting classifications of pathogenicity |
| | KCNQ1, KCNQ1OT1 (G313E +4 more) | Single nucleotide variant (non-coding transcript variant +1 more) | Cardiac arrhythmia | |
| | KCNQ1, KCNQ1OT1 (E314* +4 more) | Single nucleotide variant (non-coding transcript variant +1 more) | Long QT syndrome +1 more | GPathogenic/Likely pathogenic |
| | KCNQ1, KCNQ1OT1 (L369fs +4 more) | Microsatellite (frameshift variant) | Long QT syndrome +3 more | |
| | KCNQ1, KCNQ1OT1 (L369Q +4 more) | Single nucleotide variant (missense variant) | Cardiovascular phenotype +3 more | |
| | KCNQ1, KCNQ1OT1 (T371I +4 more) | Single nucleotide variant (missense variant) | Cardiac arrhythmia | |
| | | Single nucleotide variant (synonymous variant) | Long QT syndrome +1 more | |
| | | Single nucleotide variant (synonymous variant) | Long QT syndrome +1 more | |
| | KCNQ1, KCNQ1OT1 (I373V +4 more) | Single nucleotide variant (missense variant) | Cardiovascular phenotype +3 more | |
| | KCNQ1, KCNQ1OT1 (I500L +4 more) | Single nucleotide variant (missense variant) | Cardiac arrhythmia | |
| | | Single nucleotide variant (intron variant) | Short QT syndrome +7 more | GConflicting classifications of pathogenicity |
| | | Single nucleotide variant (intron variant) | Cardiac arrhythmia | |