The proposed reference book contains a description of all the basic medical studies that allow you to examine the body and make an accurate diagnosis: X-ray, ultrasound, ECG, CTM and others. It was written by Mikhail Ingerleib, a doctor with 23 years of medical experience and the author of the most popular medical reference books, published in half a million copies. The description of each technique contains all the necessary information: indications for the study, progress, contraindications, possible complications and ways to avoid them, preparation for research. The directory contains a detailed index of examination methods, an index of diseases and conditions for which they are prescribed. Thanks to its clear structure, the directory quickly provides the necessary and complete requested medical information and is necessary for the therapist as a reference book. The book will help the patient understand why he was prescribed the procedure and how to properly prepare for it.