The doctor just stuck them in the padded room.
And is some states, that is for no longer than 72 hours for observation. Since no judge is involved, I don't believe that a person in that position would have to answer that question as a yes. There's no court/legal record of the event. AFAIK, the FBI doesn't have access to your medical records, yet.
NRA Chief Range Safety Officer, Home Firearm Safety and Basic Pistol Instructor
"There are three classes of people: those who see, those who see when they are shown, those who do not see."
Leonardo da Vinci