Arterial Doppler Unilateral
Private unilateral arterial Doppler at home in London for £695, assessing arterial blood flow, narrowing and circulation in one limb.
Turnaround time
1 day
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Overview of the Arterial Doppler Unilateral
The Arterial Doppler Unilateral scan is a vascular ultrasound examination used to assess arterial blood flow through one limb.
The scan combines ultrasound imaging with Doppler technology to examine arteries and measure how blood moves through them.
It can identify areas where blood flow is reduced because an artery has become narrowed or blocked.
The common underlying cause of lower-limb arterial narrowing is atherosclerosis, the accumulation of fatty plaque within artery walls.
This can lead to peripheral arterial disease, or PAD.
A unilateral scan is appropriate where symptoms are confined primarily to one limb or where a known arterial abnormality requires targeted follow-up.
Doppler ultrasound can assess the location and severity of altered flow and provide information that may guide further vascular investigation.
This service is carried out as a home visit using portable vascular ultrasound equipment.
What Does the Arterial Doppler Unilateral Assess?
Major limb arteries
Evaluates accessible arteries supplying the affected limb.
Arterial narrowing
Identifies areas where atherosclerosis or another process has reduced the arterial lumen.
Arterial occlusion
Complete interruption of flow can be identified where present.
Doppler velocity
Measures the speed of arterial blood flow at different points.
Doppler waveform
Evaluates the quality and pattern of arterial flow.
Flow disturbance
Turbulence or altered velocities can indicate significant narrowing.
Distal blood supply
Assesses whether arterial flow reaches more distant portions of the limb appropriately.
Who May Benefit From the Arterial Doppler Unilateral?
People with pain in one leg when walking - Intermittent claudication can result from reduced arterial blood flow.
People with one persistently cold foot or limb - Reduced circulation is one possible cause.
People with weak or absent pulses in one limb - Doppler imaging can assess the relevant arteries.
People with a non-healing wound affecting one foot or leg - Poor arterial supply can impair healing.
People with known peripheral arterial disease affecting one side - Repeat imaging can assess progression or treatment response.
People with a previous arterial procedure - Ultrasound can monitor selected treated arterial segments.
People with asymmetric circulation findings - Unilateral imaging can investigate the affected side.
Symptoms and Reasons to Consider the Arterial Doppler Unilateral
Calf, thigh or buttock pain triggered by walking - Claudication occurs when working muscles do not receive enough arterial blood.
One foot becoming colder than the other - Significant arterial disease can reduce distal blood flow.
Pain in the foot at rest, particularly at night - Advanced arterial insufficiency can produce rest pain.
Slow-healing wounds or ulcers - Poor perfusion can delay tissue healing.
Weak pulses in one leg - Doppler can assess arterial flow beyond the clinical examination.
Colour change in the foot or toes - Pallor or other vascular changes can occur with arterial disease.
A known stenosis requiring surveillance - Repeat Doppler can monitor flow changes.
Sudden severe limb pain, a pale or cold limb, new numbness, weakness or loss of movement can indicate acute limb ischaemia and requires emergency vascular assessment.
Do not wait for a routine home scan if circulation appears to have deteriorated suddenly.
How to Prepare for the Arterial Doppler Unilateral
No routine fasting is required.
This service is performed at your home.
What Happens During the Arterial Doppler Unilateral?
Is the Arterial Doppler Unilateral Safe?
Arterial Doppler ultrasound uses sound waves rather than ionising radiation.
The examination is non-invasive and does not require contrast injections.
It can be repeated when clinically indicated.
Gentle probe pressure is used over the limb and is usually well tolerated.
How to Book Your Arterial Doppler Unilateral
Choose the Arterial Doppler Unilateral
Select the one-limb arterial Doppler service online.
Book your home visit
Provide your London address and available appointment preference.
Provide the affected side
Confirm which limb requires assessment.
Share relevant vascular history
Include previous vascular procedures, ulcers or known arterial disease.
Home Doppler scan
A vascular sonographer performs the examination at your address.
Receive your report
Your authorised Doppler report is delivered securely.
When Will I Receive My Results?
The current reporting turnaround is approximately 1 day after the scan.
The report may describe arterial narrowing, occlusion and changes in Doppler velocity or waveform.
Where significant peripheral arterial disease is identified, vascular review or further angiographic imaging may be advised.
Understanding Your Arterial Doppler Unilateral Results
A normal arterial Doppler generally shows unobstructed arterial flow with appropriate velocity and waveform characteristics.
An abnormal scan can show increased velocity across a stenosis, reduced downstream blood flow or complete absence of flow through an occluded segment.
The scan can help establish where arterial disease is located.
The clinical significance depends on symptoms and the severity of impaired circulation.
Further imaging such as CT angiography or MR angiography can be required before an intervention.
What Can the Arterial Doppler Unilateral Detect?
Peripheral arterial disease - Atherosclerotic narrowing can alter arterial flow.
Arterial stenosis - Localised narrowing can be identified and assessed.
Arterial occlusion - Complete blockage can cause absent flow through a segment.
Reduced distal circulation - Abnormal waveforms can demonstrate impaired downstream perfusion.
Changes after vascular intervention - Selected treated arteries can be monitored.
Limitations of the Arterial Doppler Unilateral
Some deep or heavily calcified arteries can be technically difficult to assess - Additional imaging may be required.
Doppler does not always provide a complete treatment roadmap - CT or MR angiography may be needed before revascularisation.
One-limb testing does not compare both sides comprehensively - Bilateral Doppler is more appropriate where symptoms affect both limbs.
Microvascular circulation is not fully assessed - The examination primarily evaluates larger arteries.
A normal scan does not explain every cause of limb pain - Musculoskeletal or neurological causes remain possible.
Why Book the Arterial Doppler Unilateral With London Blood Tests?
Arterial ultrasound at home in London - Vascular imaging comes directly to your address.
Focused one-limb examination - Appropriate for unilateral symptoms or follow-up.
Assesses both anatomy and blood flow - Duplex Doppler provides structural and haemodynamic information.
No ionising radiation - Ultrasound uses sound waves.
Useful for PAD assessment - Narrowing and impaired circulation can be identified.
Can guide further vascular investigation - Significant findings can support specialist referral.
Fast reporting - The current turnaround is approximately 1 day.
Clear pricing - The Arterial Doppler Unilateral scan costs £695.
Private Arterial Doppler Unilateral at Home in London
London Blood Tests provides private unilateral arterial Doppler ultrasound at home in London.
The scan costs £695 and is available as a home visit only.
One limb is examined for arterial narrowing, blockage and altered blood flow.
The authorised report is expected in approximately 1 day.