The meaning of the word delirium is attributed to the Latin “delirare”, which means “to be out of place.” On the articles included in this review, it was observed that there was a prevalence of studies published in the years of 2016 and 2020. As a result, after significant content analysis, he obtained the following predisposing factors: age equal to or greater than 60 years, the use of sedoanalgesics, invasive...