Paediatric Cardiology is a specialised branch of medicine that focuses on diagnosing, treating, and preventing heart problems in babies, children, and teenagers. A paediatric cardiologist is a doctor specially trained to care for children with heart conditions. Some paediatric cardiologists also perform procedures to treat certain heart defects without open-heart surgery. For your medical website: Paediatric Cardiology can be described as a speciality that provides comprehensive heart care for infants, children, adolescents, and babies with suspected heart conditions before birth.