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A DVT ultrasound checks the deep veins of your leg for a blood clot, using gentle compression and Doppler to watch blood flow.
Also called: Leg Doppler, Venous Doppler, DVT scan, Leg vein ultrasound, Blood clot ultrasound
Find a clinic for your DVT ultrasound
35 clinics offer bulk billing for ultrasound — eligibility varies
Where to get a DVT ultrasound
35 clinics across Melbourne and Victoria on Radly list DVT ultrasound among their services.
Clinics for a DVT ultrasound on Radly
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What is a DVT ultrasound?
Deep vein thrombosis (DVT) is a blood clot in a deep vein, usually in the leg. The sonographer follows the veins from the groin down to the calf, pressing gently with the probe. A healthy vein squashes flat; a vein with a clot does not.
Doppler is used to check that blood is flowing normally. The same type of scan can also look at varicose veins, though that is a different study with its own referral.
Because a clot can be serious, suspected DVT is often scanned the same or next day. Vascular ultrasound is specialised, so not every clinic offers it.
Why your doctor might request a DVT ultrasound
- Calf or leg swelling, pain or warmth
- Suspected clot after surgery, a long flight or immobility
- A raised D-dimer blood test
- Follow-up of a known clot
- Checking veins before or after treatment
DVT ultrasound: preparation, referral & Medicare
Preparing for your DVT ultrasound
- No fasting is needed.
- Wear loose shorts or clothing that is easy to remove from the legs.
- Bring your referral and any blood test results.
- Sudden breathlessness or chest pain needs urgent care: call 000.
How long it takes: About 30–45 minutes per leg
Referral, Medicare & bulk billing
A referral from your GP or specialist is needed for a Medicare rebate. Vascular ultrasound may carry an out-of-pocket gap, though some clinics bulk bill eligible patients. Because DVT can be urgent, your doctor may arrange the scan directly or send you to hospital. The clinic confirms billing and timing when it accepts your booking request.
How it works
Get your referral
Most scans need a referral from your GP, specialist, or other health practitioner.
Compare clinics
Find clinics near you for your DVT ultrasound and compare bulk billing, reviews, and location.
Send your request
Share your preferred timing and send the clinic your details and referral when available.
Clinic confirms
The clinic reviews your request and confirms your appointment and any preparation needed.
If the clinic hasn’t acknowledged your request after 24 hours, Radly will follow up. We check in by SMS during daytime hours where SMS is available and you haven’t opted out. Reply N if you haven’t been contacted and our team will follow up. Acknowledgment does not mean an appointment is booked.
DVT ultrasound FAQs
How quickly should I have a DVT scan?
Usually within a day of your doctor suspecting a clot. Follow your doctor's advice, and go to an emergency department if symptoms are severe.
Does a DVT ultrasound hurt?
The probe presses on the veins, which may be uncomfortable if the leg is sore, but it is not usually painful.
Can ultrasound rule out a DVT?
A normal scan makes a clot in the leg veins unlikely. Occasionally your doctor may suggest a repeat scan if symptoms continue.
How do I book a DVT ultrasound online?
Choose a clinic on Radly, select Ultrasound as your scan, add your preferred timing and attach your referral, then send your booking request. The clinic contacts you to confirm the appointment and any preparation.
How soon can I get a DVT ultrasound?
Appointments for ultrasound are usually 1–3 days, depending on the clinic and the exam. You can send a request on Radly at any time, and the clinic replies with its next available time.
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