A: The variant NC_000019.10:g.45778226C>G in gene DMPK is classified as 'Uncertain_significance' for Catecholaminergic_polymorphic_ventricular_tachycardia_1. Molecular consequence: SO:0001627: intron_variant. Variant type: single_nucleotide_variant. Disease database links: MONDO:MONDO:0011484,MedGen:C1631597,OMIM:604772,Orphanet:3286. Review status: criteria provided, single submitter.