Percentage yields are drawn from Sturm and Hershberger.9 Dark red represents the lower bounds of diagnostic yield
estimates, and the light red represents upper bounds of estimates. The potential yield of
genetic testing is expected to rise with genetic testing approaches that encompass more
genes.
LQTS = long QT syndrome; CPVT = catecholaminergic polymorphic ventricular tachycardia;
HCM = hypertrophic cardiomyopathy; ARVC = arrhythmogenic ventricular cardiomyopathy; LVNC
= left ventricular noncompaction cardiomyopathy; BrS = Brugada Syndrome; DCM = dilated
cardiomyopathy; SQTS = short QT syndrome