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Carotid Doppler

A Carotid Doppler is a ultrasound test of the neck arteries. It shows narrowing of the arteries to the brain. No ionising radiation (sound waves).

General health information, not a diagnosis. In an emergency, call 102. Always consult a qualified health professional.

SmartAnswer by DigiNepal SI

A Carotid Doppler is a ultrasound test of the neck arteries. It shows narrowing of the arteries to the brain. No ionising radiation (sound waves). What it shows: Narrowing of the arteries to the brain. generated by SI from cited sources · general information, not a diagnosis · consult a health professional

Sources: SI health summary (own words); decoder imaging pack; RadiologyInfo.org and MedlinePlus as references only

What it shows

Narrowing of the arteries to the brain.

Why it is done

After a stroke or mini-stroke.

Preparation

Usually no preparation; some scans need fasting or a full bladder, as the centre advises.

Radiation & safety

No ionising radiation (sound waves). Safe in pregnancy.

How long it takes

20 to 30 minutes. General information, not a diagnosis. Results must be interpreted by a qualified health worker.

Sample type

Ultrasound

Consult a doctor to interpret results — a single test does not make a diagnosis.

Related conditions

entry-health-condition-stroke

Where to get this near you

Care near you

Uses your location once to list the nearest facilities. Nothing is stored.

Common questions

What does a carotid doppler show?
Narrowing of the arteries to the brain.

Why is a carotid doppler done?
After a stroke or mini-stroke.

How do I prepare for a carotid doppler?
Usually no preparation; some scans need fasting or a full bladder, as the centre advises.

Does a carotid doppler use radiation?
No ionising radiation (sound waves). Safe in pregnancy.

How long does a carotid doppler take?
20 to 30 minutes

Why is Carotid Doppler done?
After a stroke or mini-stroke.

How do I prepare for Carotid Doppler?
Usually no preparation; some scans need fasting or a full bladder, as the centre advises.

Is Carotid Doppler safe in pregnancy?
No ionising radiation (sound waves). Safe in pregnancy.

SI text CC BY 4.0; RadiologyInfo.org (ACR/RSNA) and MedlinePlus linked as references only, no text copied.

Sources: SI health summary (own words); decoder imaging pack; RadiologyInfo.org and MedlinePlus as references only

Emergency — call102