Open Access
Table 1
Diagnostic criteria for delirium according to DSM-IV [7].
| A | Disturbance of consciousness (i.e. reduced clarity of awareness of the environment) with reduced ability to focus, sustain, or shift attention. |
| B | A change in cognition (such as memory deficit, disorientation, language disturbance) or the development of a perceptual disturbance that is not better accounted for by a pre-existing, established, or evolving dementia. |
| C | The disturbance develops over a short period of time (usually hours to days) and tends to fluctuate during course of the day. |
| D | There is evidence from the history, physical examination, or laboratory findings that the disturbance is caused by the direct physiological consequences of a general medical condition. |
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