Structural Causes (Non-Cardiomyopathy)
Congenital aortic stenosis
Anomalies of the coronary arteries
Valvular disease (excluding aortic valve disease)
Cardiomyopathy
Dilated Cardiomyopathy
Hypertrophic Cardiomyopathy
Arrhythmogenic Right Ventricular Cardiomyopathy
Restrictive cardiomyopathy
Electrical
Long QT syndrome
Short QT syndrome
Wolf-Parkinson White syndrome
Brugada syndrome
Catecholaminergic polymorphic ventricular tachycardia
Other
Myocarditis
Drugs
Primary pulmonary hypertension
Commotio cordis
Aortic rupture and Marfan syndrome
Table 2: Common Causes of Sudden Cardiac Arrest in Children 1 to 25 Years of Age.