Diathermy: Including Diathermotherapy and Other Forms of Medical and Surgical Electrothermic Treatment

thermy. In writing the present volume the author has been assisted by nine collaborators. The necessity for this division of labour is due to the large amount of clinical knowledge which has been acquired in the treatment by diathermy methods of diseases of the special regions, and the increasing employment of the cutting arc. Mr. A. H. Burgess has written the chapter on electrosection. Mr. Douglas Harmer has described the use of diathermy in the surgical treatment of diseases of the upper air passages. Mr. Kenneth M. Walker has written the section on the treatment of enlarged prostate. Dr. C. A. Robinson has contributed two chapters on the employment of diathermy in gynecology and chronic arthritis. Dr. H. Wallace Jones has written a chapter on treatment of diseases of the cardio-vascular system by diathermy and short waves. Dr. Norman Bell Graham has given his experience in the treatment of dementia paralytica by therapeutic fever. The late Dr. Dan McKenzie wrote the chapter on the use of diathermy for destruction of the tonsils. The physical principles underlying the employment of high frequency currents, especially the currents of enormously high frequency that are employed in short