A 40-year-old man presents with acute confusion. He is disorientated to time, place, and person and you are having trouble getting a history from him. You have access to his past history from the electronic medical records (eMR). From the eMR, you identified the following information. Which of the following is likely to be a cause of his acute confusion?

An 85-year-old man presents to the ED with acute confusion. He has atrial fibrillation and chronic back pain. You review his medications during your assessment. Which of the medications should be stopped as it may be contributing to his acute confusion?

A 45-year-old woman is brought in by police and ambulance. She was found wandering in a public carpark. She is agitated and speaking loudly. She is disorientated to time, place, and person. Which of the following ranks the highest in your immediate priorities of care?

Which of the following statements about delirium is TRUE?

A 56-year-old man is brought in by the police to the Emergency Department. He is shouting aggressively. He has been physically restrained by the police. He is not amenable to oral medications. There is no information about him from the police or on the electronic medical records. Which of the following medications is the current first line treatment recommended?

An eighty-year-old woman is brought in by her concerned neighbour. She was found wandering in her own garden in her dressing gown this morning at 4am. She is disorientated to time, place, and person. Her neighbour says she is normally independent and drives a car. Which of the following is the focus of your assessment in the Emergency Department?

All of the following factors make the patient high risk of developing post-operative delirium except:

The mother of a 16-year-old girl is brought to your Emergency Department. Her mother describes the onset of some changes in her behaviour over the last 2 days. The following is a list of her symptoms. You are concerned that her mother is describing delirium. Which of her symptoms below supports your provisional diagnosis?

What is the primary difference between delirium and dementia?

A 25-year-old woman, 50 kg, presents with nausea, vomiting and

abdominal pain for the last few hours. She has dental pain and has been taking 1g paracetamol orally every 4 hours for the last 3 days. 

What is the most appropriate treatment for this patient?