This. A thousand times this. Stabilize and send. People who are well go home, sick ones go to med-surg, very sick ones go to OR or ICU. Stabilize, sort and send.
If you spend 4 loving Nightengale hours on a patient who can't decide to be observed for a while or to go home, then the MI, stab wound, DKA patient in the waiting room dies. It truly is a scenario of "Ain't got time for that."
In a perfect world all of our patients would come in only when there were a bed ready to give them, be truly sick and be grateful for your attention to their illness. In real life, "patients" are bored and come in 4 times a day for "tooth ache" and ask for lunch boxes, socks, some of those heated blankets, and a prescription for narcotics to sell to their friends.