Now normally I wouldn't worry about that except that I had a hard stick a few hours before and decided since she wasn't getting any meds until after lunch and she was HL to begin with I would let the day shift have a crack at her. It wasn't that I didn't try to get, but I refuse to try more then two times
now personally, if i had someone i couldn't stick "a few hours ago" and i couldn't get it after 2 tries, i'd be asking some of the better sticks on night shift. i wouldn't leave something that is a few hours old. that does look bad. (i work night shift)
plus, what if there had been an emergency and this person had needed iv access?
and it doesn't matter if she previously left you an admission-its not a "you did it to me so i'll do it to you" type of world. though, she shouldn't have done that, and if you have policies about that, you could have said something to her.
anyhoo, i would have not done the 715 iv, but would have found someone to do the one from a few hours before