1.The following features are useful in distinguishing venous from arterial infarcts, true or false?
The dural sinus appears hyperdense postcontrast.
Central areas of haemorrhage are often seen.
The infarct becomes hypodense more slowly.
Opacified mastoids may be seen.
The infarct becomes swollen more slowly.
2.Please read the following passage.
A 63 year old lady is referred to the neurology service following a transient period of apparent confusion. Her pulse was regular, although bradycardic. Cardiovascular examination was otherwise normal. This was her ECG (Fig. 1):
Based on the ECG, the cause of the episode is most likely to have been:
A subarachnoid haemorrhage.
A myocardial infarction.
3.Please read the following passage.
A 45-year-old man, referred up to the epilepsy clinic with blackouts, collapsed in the waiting area. His ECG is shown in Fig. 2.
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