An emergency room is read as urgency and the need for immediate help. Tradition takes it as a situation in waking life that feels like it cannot wait, rather than as a sign about health. Waiting endlessly to be seen points to feeling overlooked in a crisis, while rushing someone in suggests strong worry for them. Working there is read as being the one others rely on in hard moments. It can help to notice what you are treating as an emergency right now.
When this appeared in your dream, what were you feeling?
My Cosmic Code has a private dream journal. Write a dream down and the app picks out the symbols in it, shows what dream books say about them and, over time, which words recur across your entries. The journal is stored on your device only.