Direct to an emergency department for:
- Transient ischaemic attack(s) in last 48 hours
- Multiple or recurrent transient ischaemic attack episodes in the last seven days
- Amaurosis fugax in last 48 hours.
Immediately contact the vascular registrar to arrange an urgent vascular assessment for:
- Symptomatic internal carotid stenosis (> 50% on imaging), within two weeks of symptoms.
Criteria for referral to public hospital specialist clinic services
- Internal carotid stenosis (> 50%) on imaging with symptoms (excluding dizziness alone), more than two weeks after onset of symptoms
- Asymptomatic internal carotid stenosis > 70% on imaging
- Carotid body tumour.
Information to be included in the referral
Information that must be provided:
- Timing of symptoms
- Current and previous imaging results.
Provide if available:
The Summary and referral information lists the information that should be included in a referral request.
Where appropriate and available the referral may be directed to an alternative specialist clinic or service.
Referral to a public hospital is not appropriate for
- Asymptomatic internal carotid stenosis < 70% on imaging
- Isolated external carotid artery stenosis.