Postmortem molecular analysis for fatal arrhythmogenic disease in sudden unexplained death.

Abstract excerpt

Congenital long QT syndrome (LQTS) and catecholaminergic polymorphic ventricular tachycardia (CPVT) are known to be involved in some sudden unexplained death (SUD) cases. We examined possible mutations of the genes responsible for LQTS and CPVT in 17 SUD cases. Three cases showed RYR2 mutations, which are responsible for CPVT. We also found a novel KCNQ1 mutation. The KCNQ1 mutation is most frequently found in...

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