The 4 A’s Test for Delirium Screening diagnoses delirium in older patients.

The 4AT or 4 ’A’s Test is a simple and short (<2 min) delirium detection tool purposely designed for easy clinical use. It does not require special training. The 4AT is the most validated delirium tool in the literature, with 33 diagnostic test accuracy studies involving >6000 patients. It is highly sensitive and specific.

The 4 'A's Test (4AT) is a bedside medical scale used to help determine if a person has positive signs for delirium. [1] [2] The 4AT also includes cognitive test items, making it suitable also for use as a rapid test for cognitive impairment. [3]

Learn how to accurately use and score the 4AT tool with our detailed user guide. Includes complete scoring instructions and clinical implementation tips.

2019年7月24日 · The 4 ‘A’s Test (4AT, www.the4AT.com ) is a short delirium assessment tool designed for routine use without special training. The primary objective was to assess the accuracy of the 4AT for delirium detection. The secondary objective was to compare the 4AT with another commonly used delirium assessment tool, the Confusion Assessment Method ...

The 4AT consists of four items: (1) alertness, (2) Abbreviated Mental Test-4 (AMT-4), (3) attention (Months Backwards test), and (4) acute change or fluctuating course. Items 1 and 4 are graded 0 (negative) or 4 (positive), while items 2 and 3 are graded 0, …

The 4AT is a screening instrument designed for rapid initial assessment of delirium and cognitive impairment. A score of 4 or more suggests delirium but is not diagnostic: more detailed assessment of mental status may be required to reach a diagnosis.

2024年12月4日 · The 4AT is suitable for use in normal clinical practice and allows assessment of severely drowsy or agitated patients. Due to practice effects with specific test items, the 4AT is not designed for repeated daily monitoring for delirium. The 4AT can be used at first patient contact or at other times when delirium is suspected.

Try the 4AT delirium assessment tool for yourself - it's very easy! Online calculator with scoring options all available to try, along with explanations of different scoring patterns.

2021年5月28日 · The 4AT is a bedside tool for delirium assessment that is easy and quick to administer with no special training required – so ready to be used in routine clinical practice. The 4AT is recommended for clinical use in multiple international guidelines and pathways. The 4AT facilitates rapid screening based on four easy to assess items: Alertness;