You receive a BAT call of a 34-year-old male from a local shopping centre. When the ambulance arrived, he was having a generalised tonic-clonic seizure. It was estimated the seizure lasted for approximately 20 minutes before CDA arrived and administered midazolam. His BSL on scene was 6.3. A friend that was with him says he has no history of seizures but does not know much else about his PMHx. His vital signs on arrival are: GCS 9, SBP 110/60, PR 90, RR 12, Temp 37.8. After your initial assessment he is transferred to CT for further investigation. An image is shown below.

Seizure with ring-enhancing brain lesions

1. List (4) positive findings found on this CT. 4 marks

2. State (4) differential diagnoses for this CT appearance. 4 marks

The patient continued to have a persistently altered mental state and he was intubated without complication and is now appropriately positioned, ventilated and sedated for neuroprotection. Nil further background history has come to light.

3. State (4) ongoing priorities in management for this patient, including drug doses where appropriate. 4 marks