This book provides an updated information about major systems for anesthesia in patients with concomitant diseases. Book chapters are designed to allow anesthesia providers to refresh their knowledge, and be able to focus on the current issues in these subspecialty areas. Readers will be able to approach anesthesia cases more effectively with the information provided. The chapters are written by eminent clinicians who are also outstanding teachers in their respective anesthesia training programs. Topics covered in this volume include: thoracic anesthesia, cardiac anesthesia, anesthesia in the ENT patient, neuroanesthesia, intensive care / ICU medicine, medical ethics, and interesting cases.The book serves as a handbook for advanced anesthesia professionals and a textbook for medical students.