Review of mechanical ventilation for the non-critical care trained practitioner. Part 2

There have been a recent shortage of both critical care physicians and respiratory therapists with training in mechanical ventilation that is accentuated by the recent COVID-19 crisis. Hospitalists find themselves more often dealing with and treating critically ill patients on mechanical ventilation without specific training. The first part of this review attempted to explain and simplify some of the physiologic concepts and basics of mechanical ventilation. This second part of the review we will discuss some of the common modes used for support and weaning during mechanical ventilation and to address some of the adverse effects associated with mechanical ventilation. We understand the complexity of the subject and this review would not be a substitute of seeking appropriate counselling, further training, and medical knowledge about mechanical ventilation. Further free resources are available to help clinicians who feel uncomfortable making decisions with such technology Keywords: COPD, ARDS, Weaning, VCV, PCV, ASV, MMV, NAVA, PSV, ATC, VSV, PRVC, APRV