Anesthesiology's Journal CME is open to all readers. Members of the American Society of Anesthesiologists (ASA) enjoy a preferred rate for their subscription. However, Journal CME is not limited to ASA members or Journal subscribers. To take part in Journal CME, complete the following steps:

  1. For the articles listed below, read the learning objectives and disclosure information.

  2. Read the articles in the print or online edition.

  3. Register at provide payment.

  4. Once online, complete the questions and other required information for the CME program, including the evaluation.

The American Society of Anesthesiologists is accredited by the Accreditation Council for Continuing Medical Education to provide continuing medical education for physicians.

The American Society of Anesthesiologists designates this educational activity for a maximum of 1 AMA PRA Category 1 Credit(s) ™. Physicians should only claim credit commensurate with the extent of their participation in the activity.

Purpose:  The focus of Anesthesiology Journal CME is to educate readers on current developments in the science and clinical practice of anesthesiology.

Target Audience:  Anesthesiology Journal CME is designed for physicians involved with anesthesiology education, clinical practice, and research.

Editor-in-Chief:  James C. Eisenach, M.D., has no relevant financial relationships to disclose.

CME Editors:  Leslie C. Jameson, M.D., Richard P. Dutton, M.D., M.B.A., and Dan J. Kopacz, M.D., have no relevant financial relationships to disclose.

ASA Staff:  Employees involved in planning have no relevant financial relationships to disclose.

All tests and requests for credit must be submitted through the Anesthesiology CME website at Participants should claim credit in 15-minute increments, for a maximum of 1 AMA PRA Category 1 Credit(s) ™ per journal article.

Two payment options are available:

ASA Member Non-member

Annual Fee $60 $120

Per Issue $10 $20

Payment may be made using Visa or MasterCard.

Please direct any questions about Journal CME to:

Joyce Canselor

Education Coordinator, CME

(847) 268-9185

Read the article by Nyrén et al . entitled “"Lung ventilation and perfusion in prone and supine postures with reference to anesthetized and mechanically ventilated healthy volunteers” on page 682 of this issue.

After completing this activity, the learner should understand how ventilation and perfusion are measured, be able to position an anesthetized patient to improve ventilation and perfusion, and understand the change in ventilation/perfusion ratio produced by changing from the supine to prone position during anesthesia.

Authors:  Sven Nyrén, M.D., Peter Radell, M.D., Ph.D., Sten G. E. Lindahl, M.D., Ph.D., Margareta Mure, M.D., Ph.D., Johan Petersson, M.D., Ph.D., Stig A. Larsson, Ph.D., Hans Jacobsson, M.D., Ph.D., and Alejandro Sánchez-Crespo, M.Sc., Ph.D., returned disclosure forms indicating that they have no financial interest in or affiliation with any commercial supporter or providers of any commercial services discussed in this educational material.

Registration and submission of answers must be completed by March 31, 2013.