A lot of people leave a facility AMA, Against Medical Advice. They don't care about documentation or anything else. Usually the situation is highly charged. In general, the quicker the process goes, the better. No one really cares about the paperwork when a patient wants to leave and is creating a scene.
It is a patient rights issue. Huge Joint Commission mess if a patient is held against their will, without documentation that they are on a 72 hour hold, with a judge sign off.
She wanted to leave, they found her a ride, ASAP.