Key Notes for Anesthesia Oral Board is a book for board eligible anesthesiologists to prepare for anesthesia oral board. Unlike the written board in which the examinees can have vague knowledge to be able to pick up the right answers, in the oral board the examinees must have well organized and clear-cut knowledge to be able to speak it out. In addition, the answers in oral board need to be short and right to the point. As a result, the knowledge base for oral board has to be concise and precise. To fulfill this goal, the Key Notes contains only key facts of all major clinical anesthesia scenarios, and it is organized in clinically related categories or systems in such ways that it is easy to remember and easy to speak out. It also contains ASA guidelines and the most important results from the recent major studies. In addition to oral board preparation, this book can also be used as a quick clinical reference book for daily anesthesia practice.