Carotid Arterial Disease

Carotid Arterial Disease


1/3 all strokes result from extracranial arterial disease.

Main site of atheroma at bifurcation of the common carotid artery.

 Critical narrowing of vessel at 70% or >.

 Carotid bruit only heard in minority with TIA


Exam for other arteriopathy eg AAA ,PVD, Hypertension, DM, CRF

Investigations Bloods (FBC, U+E, Lipid, GLU)  ECG, Imaging with Doppler studies/duplex USS


When and Where to refer

  • TIA clinic if suspected TIA 
  • Incidental  finding of >50% stenosis refer to Vascular Surgery
  • Urgent referral if Critical narrowing 70%+