From: Infections Acquired during Cardiopulmonary Resuscitation: Estimating the Risk and Defining Strategies for Prevention Ann Intern Med. 1998;129(10):813-828. doi:10.7326/0003-4819-129-10-199811150-00014 Figure Legend: Oral barrier devices. Top.Middle.Bottom.Adult face mask (Adult Classic Face Mask with Adjustable Cushion, Vital Signs, Inc., Totowa, New Jersey) with one-way valve (Vent Easy II Non-rebreathing Valve, Respironics, Inc., Murrysville, Pennsylvania). Adult face mask with one-way valve and extension (Carhill Valve Resuscitation Device, Bird Life Design, Dallas, Texas). Laerdal bag-valve-mask (Vital Signs, Inc.). Date of download: 11/5/2017 Copyright © American College of Physicians. All rights reserved.