An 18 year old woman has blurred vision for 24 hours and is seen in the Emergency Department. She has increased thirst and drinks 4 litres of water a day. She has lost 10 Kgs in weight in 6 weeks. Her temperature is 37.2°C, pulse rate 100 bpm, BP 90/50 mmHg, respiratory rate 30 breaths per minute and oxygen saturation 98% breathing air. Which is the most important initial investigation?

An 18 year old woman has blurred vision for 24 hours and is seen in the Emergency Department. She has increased thirst and drinks 4 litres of water a day. She has lost 10 Kgs in weight in 6 weeks. Her temperature is 37.2°C, pulse rate 100 bpm, BP 90/50 mmHg, respiratory rate 30 breaths per minute and oxygen saturation 98% breathing air. Which is the most important initial investigation?

A 50 year old man wants to stop drinking alcohol and has been admitted to the inpatient ward for detoxification. Which is the most appropriate initial drug to prescribe?

A 5 year old boy has an episode of unconsciousness and is seen in the Emergency Department. He ran into his school desk, cried out in pain and then fell unconscious. Which is the most likely diagnosis?

A 9 year old boy has a cough and worsening breathlessness and is seen in the Emergency Department. He has asthma. Which is the most appropriate next management step?

A 20 year old man is brought to the Emergency Department with status epilepticus and pneumonia. Which is the most appropriate next step in management?