Just like the ambulance, ER tech jobs vary greatly by hospital/location. In my area, it is usually competitive, pays better than the ambulance for EMT, but usually they are paramedics who are glorified bed cleaners, do compressions, vitals, and do 12-leads. They do not practice to scope. No blood draws, IVs, medication push, even though they are generally paramedics.
Most interview questions whether ambulance or ER are not going to have a great deal of clinical questions. It's what everyone tunnel visions on, especially if they have no prior interview experience for EMT or paramedic positions. They are going to be stereotypical interviews that are in the medical setting, but they aren't generally looking for clinical answers. Almost interview starts with "Tell us about yourself.", "Why do you want to work for us?", and ends with "Do you have any questions for us?" The focus is going to be on safety, customer service, team work, dealing with stress, communication, ethics, etc. An example question might be "You and a nurse are attending to a patient. While you put the patient on the monitor, you see the nurse going through the patient's belongings and put a patient's medication in her pocket. What do you do?" Another example is "You and your co-workers are working on a cardiac arrest. A nurse starts an IV and puts the exposed needle in between the patient's legs. What do you do?" Those are the type of scenarios you might. Seems clinical-ish, but not really. Every company usually ask questions covering each category (safety, customer service, etc), just ask it in different ways. They might give you a fake scenario. They might ask you your thoughts about it "What is good customer service?" They might ask you for specific experience "Tell us a time you saw an unsafe situation. What did you do about it?" So think about your experience with those. Those experiences do not have to be clinical, but can be something in school, at home, a non clinical job, etc.. Show them that you can apply prior experience (even if not from a job) and that you'll fit in and be able to do the job without too much hand holding.
Just be honest, listen carefully to the questions, show that you're eager to learn, and that you're the right person for the job.
Good luck!
