Duration
30-45 मिनट
Preparation
Keep arm warm
Results
Same day
Referral
Recommended
Who Needs AV Fistula Mapping?
Chronic kidney disease patients approaching dialysis
Patients preparing for fistula or graft surgery
Dialysis patients with fistula dysfunction
Patients referred for dialysis access surveillance
When to Get This Examination
Planning dialysis access creation
Pre-operative vein mapping for fistula surgery
Existing fistula not maturing properly
Difficulty with dialysis needle cannulation
Swelling in arm or hand near fistula
Suspicion of fistula stenosis or thrombosis
What to Expect During the Examination
1
You sit or lie comfortably with the arm exposed
2
Ultrasound gel is applied along the arm
3
Arteries and veins are mapped from wrist to shoulder
4
Vessel diameters and depths are measured
5
Fistula flow velocities are assessed if present
Frequently Asked Questions
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