Text Message 4440: Inside the elevator

Inside the elevator, there was a nurse & a girl... Suddenly, the door of the elevator opens. They saw a boy rushing to ride inside but the nurse closed the elevator immediately. The girl got curious & asked the nurse: "Why did you do that?" The nurse replied: "I know him! He's one of our patients who died yesterday. Did you see that red tag on his wrist? We put red tags on dead patients!" The girl raised her wrist & asked... "Like this?!"