Here is a very practical algorithm. I recommend using it every shift.
Source: life in the fast lane?
Room9er ["Room Niner"]:
The sickest patients, who receive world-class care in the trauma/critical care bay of University of Louisville Department of Emergency Medicine
![Room9er ["Room Niner"]:](https://room9er.com/wp-content/uploads/2020/03/cropped-Screen-Shot-2020-03-08-at-3.16.16-PM.png)