Hereditary cardiomyopathy and arrhythmia disorders are genetically heterogeneous meaning that within each category there are multiple disease genes, and many different pathogenic (disease-causing) variants with overlapping phenotypes. Determining the gene and pattern of inheritance for each variant in an individual is critical for accurate risk assessment of other family members.

GENETIC TESTING FOR HEREDITARY CARDIOMYOPATHIES AND ARRHYTHMIAS