Case report of a child with long QT syndrome type 14 caused by CALM1 gene mutation and literature review

ConclusionsThis patient had multiple episodes of convulsions or syncope after emotional stimulation or activity, with intermittent prolongation of the QTc on routine ECG, marked prolongation of the QTc after exercise, and T-wave alternans, which differed from the LQT14 phenotype caused by the previous CALM1 mutation.

Source: Molecular Genetics & Genomic Medicine - November 1, 2023 Category: Genetics & Stem Cells Authors: Qiqing Sun, Zhenhua Xie, Fangjie Wang, Jun Guo, Xiaochen Yan Tags: CLINICAL REPORT Source Type: research