COL6A3 and Sinus bradycardia: In our population, two heterozygous missense VUSs in COL6A3 gene (c.1214T>C) and FKTN gene (c.-7C>G) were reported in a 61-year-old male with NM with sinus bradycardia, first degree AV block, and right axis deviation in ECG, as well as LVH in TTE.