Participant eligibility includes age, gender, type and stage of disease, and previous treatments or health concerns. Guidelines differ from study to study, and identify who can or cannot participate. If you need assistance understanding the eligibility criteria, please contact the study team.See eligibility criteria
- Patients admitted to the hospital for initiation of dofetilide or sotalol on the basis of routine electrophysiologic care
- All patients admitted to the hospital for dofetilide initiation will be eligible.