The Cardiology Program at Children's Hospital, LHSC is the tertiary referral centre for infants, children and adolescents with congenital and inherited cardiac disease in Southwestern Ontario, and provides specialist cover for the Emergency Department, inpatient unit, paediatric intensive care, and neonatal intensive care. The Paediatric Cardiac Program is a fully integrated program with specialized services including consultation and echocardiography, arrhythmia, 24-hours Holter monitor, cardio-memo and pacemaker surveillance, stress testing, and maternal and fetal consultation including echocardiography.