That daughter sounds like quite the piece of work. Your patient is lucky to have someone who cares and wants to do a good job looking after her, because not all caregivers/nurses actually care. I'm brutal on myself when I make mistakes, especially with patients, so I get where you are coming from. But realistically, it was just an honest mistake. So the patient's schedule got messed up? Big deal... patient wasn't harmed, there was no negligence, these things happen to everyone. That daughter is taking her stress out on you, which isn't fair. She should realize that treating nurses that way increases our anxiety, which leads to more mistakes, IMO. So don't give up on yourself. It's just a mistake. No indication of your competence, worth, or anything else. Big hug!