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Shown is the current diagnostic, prognostic, and therapeutic utility of genetic testing for hypertrophic cardiomyopathy (HCM), long QT syndrome (LQTS), catecholaminergic polymorphic ventricular tachycardia (CPVT), and Brugada syndrome (BrS). The + symbol indicates the test has utility, the − symbol indicates no current measurable utility, and +/− indicates the test may have some utility.
