Knowledge Bomb

Knowledge Bomb: High-Velocity Nasal Insufflation for Respiratory Failure

We continue the series with Knowledge Bomb #19. The purpose and motivation for this series is outlined in the first entry and extensively in an ALiEM IDEA series blog entry. Background Dyspnea and acute respiratory failure are among the top 5 reasons for patients to present to the Emergency Department. High-velocity nasal insufflation (HVNI), a type of high-flow nasal

Critical Care

We Have No Beds: Ventilator Series

We Have No Beds: Ventilator Series Assist Control So now that we have discussed how to read a ventilator screen, let’s discuss our first mode of ventilation… Assist Control (AC) This mode has the ability to completely control the patients ventilatory status. With this mode you set the rate, the means by which tidal volume is

Critical Care

We Have No Beds: Ventilator Series

We Have No Beds: Ventilator Series Reading a Ventilator Screen Before diving into a specific mode of ventilation, we should address what you see on a ventilator screen first.  What do all these abbreviations mean?… Note: the pictures and order of descriptions reflect the Puritan-Bennett 840 ventilator.  However, most of the information will reflect most