"Cases of organic heart disease" is a book written by the eminent American cardiologist John Collins Warren. In this book, the author systematically reviews the most common organic heart diseases, providing a detailed overview of symptoms, diagnosis, and treatment methods. The book contains a large number of clinical cases that help the reader better understand the principles of diagnosis and approaches to the treatment of heart diseases. "Cases of Organic Heart Diseases" is not only a valuable reference guide for medical professionals, but also an interesting read for anyone interested in cardiology.