Abstract
Objective: To identify the main risk factors for delirium found in elderly patients hospitalized in the medical clinic at a Hospital da Amazônia.Methodology: This is a descriptive, cross-sectional study that interviewed and consulted in the medical records of patients who presented delirium and who accepted to participate in the study. Results: Most of the patients were male, all patients had predisposing and precipitating risk factors, all of them over 65 years old. The main predisposing risk factors were advanced age, polypharmacy and falls, and the most prevalent precipitating factors were use of proton pump inhibitor, infection and pain. Conclusion: It is necessary to improve the clinical examination of the health team that deals directly with the elderly patients, in order to detect early signs of delirium progression and establish therapeutic and preventive measures to improve patient care and avoid complications.