The textbook for students, studying the basic course of pathophysiology in English, is organized according to the module principle and contains summary of lectures on the specific module's topic, tests, clinico-pathophysiological and clinico-laboratory cases for training and control of knowledge, algorithms of solution of the typical problems, and also questions to prepare for classes, colloquia and final examination on pathophysiology. The edition contains the discussions of the subject matter of pathophysiology; its aims, issues, methods, and constituent parts. It summarizes the main concepts of general nosology, etiology and pathogenesis. In a concise format or in a form of schemes,