The ER will triage you to determine how serious your condition is initially. When you will be seen depends on the number of patients already in ER, results of triage, and number of people waiting to be seen.
That really depends on when you arrive. Of course the most serious patients are treated first. However, I have been seen immediately and moved to a room soon. I may wait depending on other more serious cases. I have always been treated extremely well there.
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