What carotid Doppler measures
Carotid duplex evaluates plaque, narrowing, blood-flow velocities, and whether follow-up or referral is needed. It is commonly requested for bruit, stroke/TIA history, or cardiovascular risk assessment.
Stroke symptoms are emergency symptoms
Face drooping, arm weakness, speech difficulty, sudden vision loss, or new severe neurological symptoms need emergency care. Carotid ultrasound is for stable assessment and follow-up.