Treatment of Hypoactive Delirium and Outcome Measures

Inclusion Criteria: * Patients who fulfill criteria for delirium according to CAM and DOSS * Patients in hospitalization who are not receiving treatment for delirium * Patients without treatment with antipsychotics for any other reason * Patients whose legally proxy accepts to participate Exclusion Criteria: * Patients who have received pharmacologic treatment for delirium * Patients with a corrected QT interval prolongation * Patients who receive antipsychotics for any other reason * Patients in another age group * Patients whose legally proxy does not accept to participate * Patients with dementia * Patients with Parkinson disease * Patients with arrythmias * Patients with language or hearing disorders that impede communication * Patients hospitalized in the Intensive Care Unit * Patients who are receiving benzodiazepines and anticholinergics * Patients with dopamine agonists or antagonists * Patients who develop a severe neurologic disease