A: The variant NC_000021.9:g.34370707C>T in gene KCNE2 is classified as 'Conflicting_classifications_of_pathogenicity' for Congenital_long_QT_syndrome|Cardiovascular_phenotype|Long_QT_syndrome_6|Long_QT_syndrome|Atrial_fibrillation,_familial,_4|not_specified|not_provided. Molecular consequence: SO:0001583: missense_variant. Variant type: single_nucleotide_variant. Disease database links: MONDO:MONDO:0019171,MedGen:C1141890,OMIM:PS192500,Orphanet:101016,Orphanet:768|MedGen:CN230736|MONDO:MONDO:0013370,MedGen:C3150953,OMIM:613693,Orphanet:101016,Orphanet:768|MONDO:MONDO:0002442,MeSH:D008133,MedGen:C0023976|MONDO:MONDO:0012677,MedGen:C1862394,OMIM:611493|MedGen:CN169374|MedGen:C3661900. Review status: criteria provided, conflicting classifications.