Heart of the Matter: Key Insights on Pediatric Cardiology Around the Globe is an extensive collection of journal articles that presents a comprehensive exploration of congenital heart disease (CHD) in children. To bridge the realms of genetics, environmental factors, and healthcare disparities, this compilation delves deeply into varied aspects of CHD in pediatric populations worldwide. With a foreword titled 'Children's Hearts: A Collection of Global Insights, ' the book kicks off with a meticulous study on the genetic implications of the CITED2 gene in China, followed by an examination of cardiac care challenges in Nepal. The role of advanced technologies such as cardiovascular magnetic resonance (CMR) in diagnosing CHD is elaborated, along with a retrospective analysis of pediatric cardiac ailments in Mali. Furthermore, the narrative extends to issues of postnatal cardiac autonomic control, nutrition-related health in children with CHD, and neurodevelopmental outcomes in affected children. Emotional narratives from mothers in Korea add a human touch, emphasizing the profound personal impacts of CHD. Each article offers unique, data-driven insights, drawing attention to geographical and medical disparities while aiming for holistic understanding. This compilation serves as an essential resource for healthcare professionals, researchers, and policymakers, fostering an engaged and informed approach to tackling CHD globally. Quality Research Publishing is dedicated to making knowledge more accessible to the general public by curating a topical compilation of the latest research on various subjects and providing plain language summaries. Each of the articles in this book is available individually and digitally without cost. However, we believe it is important for the contextualizing and sharing of educational and scientific work to curate this research in a way that is understandable and helpful to the average person seeking deeper knowledge of a particular subject. The research articles compiled for this book were published under a permissive Creative Commons license, are in the public domain, or have no copyright restrictions, permitting their use in this book. If you have questions about the licensing of any article, please visit qualityresearchpublishing.com.