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Last Updated 12/10/09

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The anesthesia machine is a complex medical device. Arguably, its main function is gas blending to obtain a desired level of anesthesia. However, an anesthesia machine turns into a life support system the moment that a patient loses the ability to breathe spontaneously. Therefore, it is important that anesthesia providers understand how an anesthesia machine functions, how it can fail, and how to identify and recover from these failures.

The anesthesia machine can be sub-divided into 6 sub-systems, each with its own function and characteristics. The six sub-systems are the:

High pressure system
Low pressure system
Breathing circuit (including the CO2 absorber)
Manual ventilation
Mechanical ventilation
Scavenging system

Each sub-system is the subject of a one-credit CME course at US$ 5 per CME credit.

Title: The Anesthesia Machine

Intended Audience: Healthcare Professionals, Allied Healthcare Personnel, Anesthesia Techs, Veterinary Personnel

Hardware and Software Requirements: 650 MHz PC, 128 MB RAM, Windows or MAC operating system, Macromedia Shockwave Player (free download), Macromedia Flash Player (free download)


Learning Objectives:
The overall objective of this activity is to provide healthcare providers, anesthesia techs, operating room personnel and veterinary personnel with knowledge about the anesthesia machine. Each of the 6 modules has specific learning objectives to assist learners to:
1. Understand how the machine operates during normal function
2. Identify failure or malfunction modes
3. Manage failure or malfunction modes using the simulation exercises.

Sem Lampotang, PhD
Professor of Anesthesiology
Department of Anesthesiology
University of Florida College of Medicine

Faculty Disclosure Statement: Dr. Lampotang has no actual or potential conflicts of interest in relation to this activity. Dr. Lampotang does not intend to discuss an unapproved or investigative use of a commercial product/device.

Disclosure of Unlabeled Uses: There are no unlabeled uses in this educational activity

Commercial Supporters: This activity is not supported by any commercial entity

Evaluation: Participants may earn one Category 1 CME credit by viewing each module and achieving a passing score of 75% on the accompanying quiz. Successful completion of the post test quiz is required

Accreditation: The University of Florida College of Medicine is accredited by the Accreditation Council for Continuing Medical Education to provide continuing medical education for physicians.

Credit: The University of Florida College of Medicine designates this educational activity for a maximum of 6 AMA PRA Category 1 Credit(s)™.  Physicians should only claim credit commensurate with the extent of their participation in the activity.

Original Date of Release: April 1, 2004

Review date (reaccreditation): April 1, 2006

Expiration Date: April 1, 2008

Privacy Policy/Disclaimers: See the University of Florida's privacy policy which applies to this CME exercise.

For any questions regarding this Internet CME activity, please contact the UF CME office.

Author: Dr. Sem Lampotang
Contact: Sem Lampotang
Version: Produced by the Office of Medical Informatics
Copyright: 2003 by the University of Florida
Created: June 25, 2003 Modified: April 13, 2004