Dual LQT1 and HCM phenotypes associated with tetrad heterozygous mutations in<i>KCNQ1</i>,<i>MYH7</i>,<i>MYLK2</i>, and<i>TMEM70</i>genes in a three-generation Chinese family

Abstract

We demonstrate dual LQT1 and HCM phenotypes in this multiple LQT1- and HCM-related gene mutation carrier family for the first time and suggest that LQT-related gene mutations associate with QT interval prolongation and/or arrhythmia in HCM patients.