As a sub-I you may be called on to consult a service – that is, after all, one of the two end pathways of anyone who walks into the ED (ignoring AMA). Calling a consult from the ED is just as much a skill as intubation or IV placement. It can take a whole residency to develop, but having the basics will move you away from shadowing med student towards functional sub-I. Below is your step-by-step walkthrough of the process at the sub-I level. 1. Know why you’re consulting. Hopefully this is your patient, but if things get busy you might be asked to help with other patients (more so if the consult should be straightforward). Know the case, and specifically what you're calling for. Do you want the team to take them to the OR urgently, do you want them to come to the ED and write a note? This is something your senior residents and attending will help you identify. Phrase it as a question: "Does this patient need an emergency endoscopy? If not, we are wondering wh...