Thanks for the HQ pics!
About the name confusion : no way is the nurse's name going to be "GLAU" because it would blur the line between the reality (the actor's name) and the fiction (the charcater's name).
As The1Russter said, they were shooting the episode before they have sorted details like the nurse name.
I remember is saw a comment on the original cast of Hawai 5.0, saying that they could have kept the name of the actor, Kam Fong, for his character in the serie, Chin Ho.
This makes no sense and it's the same here.