problems or had an unexpected or unexplained
sudden death before age 35 years (including
4.Have you ever passed out or nearly passed out
drowning or unexplained car crash)?
(HCM), Marfan syndrome, arrhythmogenic right
ventricular cardiomyopathy (ARVC), long QT
syndrome (LQTS), short QT syndrome (SQTS),
Brugada syndrome, or catecholaminergic poly-
morphic ventricular tachycardia (CPVT)?