The material presented here is intended for anesthesiologists, anesthesiology residents and anesthetists. The contents are the sole responsibility of the author and it has not undergone peer-review. The material on local anesthetics, neuraxial blocks and anticoagulation corresponds to this author's interpretation of the available literature and include actual quotations. The author made every effort to give proper credit to his sources. The indications, techniques and dosages on this Web page conform to our clinical practice. The medications and equipment have not necessarily been approved by the Food and Drug Administration (FDA) for use in the way, manner and dosages for which they are recommended here. The package insert for each drug and/or equipment should be consulted and FDA recommendations should be followed. However because recommendations and guidelines change, the reader is urged to check for new indications, warnings and precautions. While the techniques described here are successful in our practice, they should be followed with discretion since complications may be operator dependent. The medications and/or equipment discussed in the web page are shown solely for teaching purposes. Similar equipment or medications from other manufacturers may produce similar clinical results to ours. The persons depicted in the pictures, models and patients, gave their written permission to the author to have their photographs taken and used for the purpose of teaching. Their decision was voluntary and did not involve compensation of any kind. The photographs of cadaver material depicted in this manual come from dissections performed by the author in the Anatomy Laboratory, Rush University Medical Center in compliance with Rush University, State and Federal regulations. Care was taken to confirm the accuracy of the information presented in this website. However the author is not responsible for errors or omissions or for any consequences from application of the information and techniques presented here and makes no warranty, express or implied, with respect to the contents of it. The development and maintenance of this web page has not been supported by any pharmaceutical or medical manufacturing industry.