A new shorter test for delirium assessment, easy to use, appears to have been widely adopted in NHS hospitals: it is the 4 A’s test.

According to the test, a normal score effectively rules out delirium, while an abnormal score is reasonably useful for detecting the delirium condition.
Delirium is common in older people who have been hospitalised, but it can go undiagnosed. The 4 A’s test was developed to help combat delirium; it is an alternative to a longer screening process.
For high-risk patients and those with sudden-onset confusion the 4 A’s test is a practical tool for initial assessment in time-pressured environments giving noteworthy, early results.
People detected by 4 A’s test would still need a full assessment to confirm the delirium diagnosis.
Read more at: