, Author of Cannabis Pharmacy. 1  There are several problems with chewing/dipping cannabis. First, cannabis, in its raw herbal form, can host a wide variety of microbes including e coli and salmonella, both of which can present a health risk.
Oxygenation and ventilation: Once the position and seal are obtained, bagging can commence. The rate of ventilation for an adult is 10-12 breaths per minute or, approximately 1 bag squeeze every 5-6 seconds.4 The bag should be depressed for a full 1-2 seconds and then released.
After reading this article, the physician should be able to: 1  Describe the four steps to achieve optimal bag-valve mask (BVM) ventilation. 2  Know predictors of difficult BVM ventilation. 3  Be able to troubleshoot difficult BVM ventilation. 4  Be familiar with some differences when ventilating children.