While the inherited cardiomyopathies and primary arrhythmogenic disorders are distinctly
different diseases, the genetic counseling issues can be very similar. 14 Collectively, these
diseases are inherited as autosomal dominant traits (at-risk relatives have a 1 in 2 risk of
inheriting the disease gene), show marked variability in onset and severity of symptoms,
have similar limitations regarding genetic testing (suboptimal pickup rates, multiple mutation
genotypes, and difficulty interpreting gene test results), and require ongoing clinical …