Multicenter Evaluation of Children and Young Adults With Genotype Positive Long QT Syndrome

Multicenter Evaluation of Children and Young Adults With Genotype Positive Long QT Syndrome

The purpose of the study is to provide comprehensive follow-up in patients with Long QT Syndrome (LQTS) and gain additional information regarding genotype-phenotype correlation and effective management and treatment options.

Inclusion Criteria:

• Children and/or young adults diagnosed with heterogeneous repolarization disorder who have genotype positive Long QT, or
• Newly diagnosed mutation positive patients with a confirmed test

Exclusion Criteria:

• Children who are phenotypically positive with no molecular testing
• Children that are phenotypically positive but genotype negative