 The National Long QT Syndrome Registry and Bio bank Research Steering Committee The Steering Committee SC will be responsible for the design, execution, analysis, and reporting of the study, and will assign appropriate responsibilities to the other study committees. The SC will monitor study progress, execution and management. The SC will be comprised of the Principal Investigator Chair, who will be the DataBio Specimen Steward, and all co applicants. The team is composed of 9 adult electrophysiologists EPs that oversee inherited arrhythmia clinics Drs. Matthew Bennett, Martin Gardner, Brenda Gerull, Jeff Healey, George Klein, Andrew Krahn, Zak Laksman, Danna Spears, Mario Talajic, and 3 counterpart pediatric EPs Robert Hamilton, Shubhayan Sanatani, Robert Gow. The SC will generate an annual report outlining the studys contributions to the scientific community and usefulness of the data . A formal Data and Safety Monitoring Committee will not be created because this is a registry without planned therapeutic comparative studies. 