A patient was admitted 5 days ago and has just been weaned from mechanical ventilation.The patient suddenly becomes confused,seeing nonexistent animals in the room and pulling at the bedding.The nurse suspects the patient may be experiencing what issue?

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Delirium is represented by a global impairment of cognitive processes,usually of sudden onset,coupled with disorientation,impaired short-term memory,altered sensory perceptions (hallucinations),abnormal thought processes,and inappropriate behavior.There is no evidence provided that would indicate the patient is hypoxemic,hypocalcemic,or going through sedation withdrawal.

A Patient Was Admitted 5 Days Ago and Has Just