Table 1 The Observer’s Assessment of Alertness/Sedation (OAA/S) scale.

From: Previously published drug interaction models predict loss of response for transoesophageal echocardiography sedation well but not response to oesophageal instrumentation

Value

Description

5

Responds readily to name spoken in normal tone.

4

Lethargic response to name spoken in normal tone.

3

Responds only after name is called loudly and/or repeatedly for the individual to open their eyes.

2

Responds only after moderate prodding or shaking.

1

Does not respond to moderate prodding or shaking

  1. aAn OAA/S score of 1 is considered unresponsive.
Back to article page