The publication offered to the reader is part of the most popular in Russia, as well as around the world, series of books "Secrets of Medicine" and presents a modern large-scale informative guide to clinical diagnostics for general practitioners, as well as for students, clinical residents, graduate students in the process of their self-study and self-control. The book reflects almost all the methods of physical examination that a modern general practitioner should perfectly master. Clinical diagnostic sections are identified that will retain their significance in the 21st century. In modern times, when the therapist believes more in the apparatus than in his own hands, the book restores interest in clinical diagnosis and the connection between science and art in medicine. For GPs, GPs, family doctors, medical students.