Diagnoses evaluated

Patients with the following documented diagnoses:

• Atrial and ventricular ectopy

• Tachycardia (both supraventricular and ventricular)

• Pathologic bradycardia

• Wolff-Parkinson-White Syndrome

• Unexplained QTc prolongation

• Inheritable channelopathies (Long QT Syndrome, Short QT Syndrome, Brugada Syndrome, Catecholaminergic Polymorphic Ventricular Tachycardia)

• Arrhythmogenic Right Ventricular Cardiomyopathy

• Risk stratification for sudden arrhythmogenic death in individuals with repaired tetralogy of Fallot, hypertrophic cardiomyopathy, and dilated cardiomyopathy

Patients with a family history of the following diagnoses:

• Unexplained sudden death (including Sudden Infant Death Syndrome)

• Inheritable channelopathies (Long QT Syndrome, Short QT Syndrome, Brugada Syndrome, Catecholaminergic Polymorphic Ventricular Tachycardia)

• Arrhythmogenic Right Ventricular Cardiomyopathy