| | | Single nucleotide variant (intron variant) | Cardiovascular phenotype +3 more | GConflicting classifications of pathogenicity |
| | KCNQ1, KCNQ1OT1 (S341G +4 more) | Single nucleotide variant (missense variant) | Cardiac arrhythmia +1 more | |
| | KCNQ1, KCNQ1OT1 (S288I +4 more) | Single nucleotide variant (non-coding transcript variant +1 more) | Long QT syndrome | |
| | KCNQ1, KCNQ1OT1 (T343A +4 more) | Single nucleotide variant (missense variant) | Long QT syndrome | |
| | | Single nucleotide variant (synonymous variant) | Cardiac arrhythmia +1 more | |
| | | Single nucleotide variant (synonymous variant) | Cardiovascular phenotype +8 more | |
| | KCNQ1, KCNQ1OT1 (F352L +4 more) | Single nucleotide variant (missense variant) | not provided +2 more | |
| | | Single nucleotide variant (synonymous variant) | Cardiovascular phenotype +9 more | |
| | KCNQ1, KCNQ1OT1 (A359T +4 more) | Single nucleotide variant (missense variant) | Long QT syndrome +8 more | GConflicting classifications of pathogenicity |
| | | Single nucleotide variant (synonymous variant) | Cardiac arrhythmia +8 more | |
| | KCNQ1, KCNQ1OT1 (E487K +4 more) | Single nucleotide variant (missense variant) | Cardiac arrhythmia +2 more | |
| | KCNQ1, KCNQ1OT1 (D361E +4 more) | Single nucleotide variant (missense variant) | Cardiac arrhythmia +3 more | |
| | KCNQ1, KCNQ1OT1 (L311V +4 more) | Single nucleotide variant (non-coding transcript variant +1 more) | Long QT syndrome | |
| | | Single nucleotide variant (synonymous variant) | not specified +7 more | GConflicting classifications of pathogenicity |
| | KCNQ1, KCNQ1OT1 (E314* +4 more) | Single nucleotide variant (non-coding transcript variant +1 more) | Long QT syndrome +1 more | GPathogenic/Likely pathogenic |
| | KCNQ1, KCNQ1OT1 (L369Q +4 more) | Single nucleotide variant (missense variant) | Long QT syndrome +3 more | |
| | | Single nucleotide variant (synonymous variant) | Cardiac arrhythmia +1 more | |
| | KCNQ1, KCNQ1OT1 (I373V +4 more) | Single nucleotide variant (missense variant) | Cardiac arrhythmia +3 more | |
| | | Single nucleotide variant (non-coding transcript variant +1 more) | Long QT syndrome | |
| | | Single nucleotide variant (non-coding transcript variant +1 more) | Long QT syndrome | |