Functional Diagnosis is a medical book written by Max Kahn and originally published in 1920. The book provides a comprehensive overview of the diagnostic methods used in medicine at the time, with a particular focus on the functional diagnosis of various diseases and conditions. It covers topics such as the examination of the nervous system, the cardiovascular system, the respiratory system, the gastrointestinal system, and the urinary system, as well as the diagnosis of metabolic disorders, infectious diseases, and tumors. The book emphasizes the importance of a thorough physical examination and the use of various diagnostic tests, including laboratory tests, imaging studies, and functional tests. It also includes detailed descriptions of various medical instruments and their use in diagnosis. Overall, Functional Diagnosis is a valuable resource for medical professionals and students interested in the diagnosis and treatment of a wide range of medical conditions.With Foreword By William J. Gies.This scarce antiquarian book is a facsimile reprint of the old original and may contain some imperfections such as library marks and notations. Because we believe this work is culturally important, we have made it available as part of our commitment for protecting, preserving, and promoting the world's literature in affordable, high quality, modern editions, that are true to their original work.