From Pediatrics to Geriatrics: Toward a Unified Standardized Screening Tool for Delirium: A Thought Experiment.

Objective: We aim to provide evidence for our view that a single, standardized (and preferably observational) screening tool for delirium should be used in patients of all ages (children, adults, and the elderly).

Data Sources: To support our viewpoint, we searched, in the period February 25, 2015, to August 5, 2015, Pubmed and all the major textbooks.

Study Selection: We searched PubMed using the following terms: "delirium," "screening tool," "pediatric," "adult," "elderly," "unifying," "observational," "CAPD," and "DOS.