The chief executive officer of each state charitable, hospital, relief or training institution shall, within three days after the reception of a patient, cause to be made a descriptive entry of the case, in a book or other systematic form of case records with card index exclusively set apart for that purpose. He shall also cause to be made from time to time entries as to the mental state, bodily condition and medical treatment of the patient, together with the forms of restraint employed, and in the event of the discharge or death of the patient, the circumstances appertaining thereto.