The final, tenth volume of the practical manual for doctors concludes the topic of diagnosing diseases of the cardiovascular system. The book highlights topical issues in the diagnosis of congenital heart defects in adults, rhythm and conduction disorders of the heart, and heart tumors. A separate chapter is devoted to the current problem of diagnosing metabolic syndrome. The most up-to-date information on the etiology, pathogenesis, classification, criteria for diagnosis and differential diagnosis of these diseases is given.