Abstract

1. Are these statements true or false?

1. 90% of large cortical infarcts are visible on CT within 48 h of symptom onset.

2. 40% of lacunar or small cortical infarcts are visible within 48 h after symptom onset.

3. Cerebral infarcts are most easily seen at 2–3 weeks on brain imaging.

4. The infarct is of CSF density by 3 months.

5. Fast spin echo and proton density sequences are the sequences of choice for identifying haemorrhage.

2. Please read the following passage.

A 58-year-old publican awoke one morning with vertigo. He was also troubled by a worsening headache. The following day he became aware of intermittent horizontal diplopia. He booked an appointment with his general practitioner the next morning, but unfortunately was admitted to hospital that night with a decreasing conscious level.

On examination he was febrile at 38.2C. General examination was other wise normal. There was