Sudden unexplained death: evaluation of those left behind.

Adolescent Adult Cardiovascular Diseases/congenital,diagnosis,genetics Cause of Death Child Child, Preschool Coroners and Medical Examiners/statistics & numerical data Death, Sudden/epidemiology,etiology Death, Sudden, Cardiac/epidemiology,etiology Electrocardiography England/epidemiology Family Health Humans Infant Long QT Syndrome/congenital,diagnosis,genetics