A: The variant NC_000021.9:g.34370557C>T in gene KCNE2 is classified as 'Conflicting_classifications_of_pathogenicity' for Long_QT_syndrome_6|Atrial_fibrillation,_familial,_4|Atrial_fibrillation|Cardiovascular_phenotype|not_provided|Long_QT_syndrome|Primary_familial_hypertrophic_cardiomyopathy. Molecular consequence: SO:0001583: missense_variant. Variant type: single_nucleotide_variant. Disease database links: MONDO:MONDO:0013370,MedGen:C3150953,OMIM:613693,Orphanet:101016,Orphanet:768|MONDO:MONDO:0012677,MedGen:C1862394,OMIM:611493|EFO:EFO_0000275,Human_Phenotype_Ontology:HP:0001715,Human_Phenotype_Ontology:HP:0005110,Human_Phenotype_Ontology:HP:0005179,MONDO:MONDO:0004981,MedGen:C0004238|MedGen:CN230736|MedGen:C3661900|MONDO:MONDO:0002442,MeSH:D008133,MedGen:C0023976|MONDO:MONDO:0024573,MeSH:D024741,MedGen:C0949658,OMIM:PS192600,Orphanet:155. Review status: criteria provided, conflicting classifications.