A patient presents to the emergency department with disorganized speech, hallucinations, and appears to be responding to internal stimuli. The patient has no known history of substance abuse and lab results do not indicate any acute abnormalities. Based on the presented symptoms, which intervention should the emergency nurse prioritize to ensure the safety and stabilization of this patient?
Immediately administer a fast-acting antipsychotic medication
Perform a full medical workup to rule out any possible organic causes
Commence therapeutic communication and assess for potential safety concerns
Isolate the patient to prevent overstimulation and worsening of symptoms