Review Question - QID 214317

A 25-year-old man presents to the emergency department for a change in his behavior. The patient has a history of depression; however, his girlfriend has noticed he has been more depressed and more suicidal recently. The patient has not been taking care of himself, and his girlfriend noticed that he recently moved to a dilapidated, older building and has not been bathing. She brought him in today because he states he took all of his medications in an attempt to end his life. His temperature is 98.7°F (37.1°C), blood pressure is 130/82 mmHg, pulse is 84/min, respirations are 15/min, and oxygen saturation is 99% on room air. Physical exam reveals a patient with a restricted affect. He has a resting tremor and appears unkempt. His gait is mildly ataxic, and exam is notable for the finding in Figure A. Which of the following is the most appropriate treatment for this patient's underlying diagnosis?