The Cardiovascular
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Behavioural activity rating scale (BARS)

Single-item observational rating of a patient's level of agitation or sedation.

Behavioural activity rating scale (BARS)
Observed activity level
ResultBARS 4

Normal, calm, and awake.

When to use

  • Quantifying agitation to guide and monitor response to sedation in acutely agitated patients.

Formula

A single 7-point observational scale from 1 (unable to rouse) to 7 (violent, requiring restraint); 4 represents normal quiet wakefulness.

References

  1. Swift RH, et al. J Psychiatr Res. 2002;36(2):87-95.