{{Rsnum
|rsid=120074188
|Chromosome=11
|Orientation=plus
|geno1=(A;A)
|geno2=(A;G)
|geno3=(G;G)
|Gene=KCNQ1
|position=2768902
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
|Gene_s=KCNQ1
}}{{omim
|id=607542
|rsnum=120074188
|variant=0021
}}{{ClinVar
|rsid=120074188
|Reversed=0
|FwdREF=G
|FwdALT=A
|REF=G
|ALT=A
|RSPOS=2790132
|CHROM=11
|dbSNPBuildID=132
|SSR=0
|SAO=1
|VP=0x050168000000000002110100
|GENEINFO=KCNQ1:3784
|GENE_NAME=KCNQ1
|GENE_ID=3784
|WGT=0
|VC=SNV
|CLNALLE=1
|CLNHGVS=NC_000011.9:g.2790132G>A
|CLNORIGIN=1
|CLNSIG=5
|Tags=PM;PMC;SLO;OTHERKG;LSD;OM
|CLNACC=RCV000003280.1; RCV000046001.2; RCV000057600.1
|CLNDBN=Long QT syndrome 1, recessive; Long QT syndrome, LQT1 subtype; not provided
|CLNDSDB=MedGen
|CLNDSDBID=CN177655
|CLNSRC=OMIM Allelic Variant
|CLNSRCID=607542.0021
|Disease=Long QT syndrome 1; Long QT syndrome; not provided
}}{{PMID|10482963}} Recessive Romano-Ward syndrome associated with compound heterozygosity for two mutations in the KVLQT1 gene.

{{PMID|19716085|OA=1
}} Spectrum and prevalence of mutations from the first 2,500 consecutive unrelated patients referred for the FAMILION long QT syndrome genetic test.

{{PMID|19841300|OA=1
}} Genetic testing for long-QT syndrome: distinguishing pathogenic mutations from benign variants.