This document provides information about bag valve masks (BVM), including:
- What a BVM is and its components
- Its history of being discovered in 1953 by a German engineer and anesthesiologist
- Its uses in respiratory failure, arrest, ventilator failure, and patient transfers
- Potential complications if not used properly like gastric insufflation and lung injuries
- Tips for its proper use including ensuring a seal and using two rescuers when possible