DigiNepal Health ENनेहि

← Health · Imaging

Renal artery Doppler

A Renal artery Doppler is a ultrasound test of the kidney arteries. It shows narrowing of kidney arteries. No ionising radiation (sound waves).

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

What it shows

Narrowing of kidney arteries.

Why it is done

Hard-to-control high blood pressure in the young.

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

30 to 45 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-hypertension

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 renal doppler show?
Narrowing of kidney arteries.

Why is a renal doppler done?
Hard-to-control high blood pressure in the young.

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

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

How long does a renal doppler take?
30 to 45 minutes

Why is Renal artery Doppler done?
Hard-to-control high blood pressure in the young.

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

Is Renal artery 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