Non-contrast
Indications
- assessment post head injury
- monitoring of previous injury/haemorrhage
- dementia/delirium screening
Protocol
CT brain non-contrast +/- review
- Neurosurgical teams may need to know of progressing haematomas
Contrast
Indications
- investigation for possible/confirmed space-occupying lesion e.g. abscess, tumour
- first seizure
Protocol
CT brain pre and post contrast
IVC
20-22g
Stroke Protocol
Indications
- stroke workup/call
Protocol
Stroke protocol
- Non-con brain
- Aortic arch to vertex angiogram
- Post-contrast brain
- Perfusion study
- Review
IVC
20g min.
Carotid+Cerebral angiogram
Aortic arch to vertex
Indications
- investigation of TIA/stroke, pre-operative workup for carotid/head/neck surgery
Protocol
CT pre-con brain, arch to vertex, post-con brain
IVC
20g min.
Cerebral angiogram (COW)
Aortic arch to vertex
Indications
- Detection/monitoring of COW aneurysms, AVMs, work-up of intracranial haemorrhage
Protocol
CT pre-con brain, base of skull to vertex angio, post con brain
IVC
20g min.
Cerebral venogram
Indications
- Confirmed or suspected dural vein thrombosis
Protocol
Pre-con brain, cerebral venogram, post-con brain
IVC
20 – 22g
Neck soft tissue
Indications
- Assessment of head and neck malignancies
- Abnormalities of glands
- Investigation of neck lumps
Protocol
Post-contrast neck
IVC
20 – 22g