Doppler evaluation of arteriovenous fistula (AVF) is performed to assess the blood flow in the AVF. It helps to determine if the AVF is functioning properly or not.
When this test is required
This test is requested for patients who have undergone AVF creation surgery or a surgical procedure to connect an artery and vein for dialysis. It may be requested regularly to monitor the function of the AVF.
What the Test Detects
This test uses ultrasound technology to evaluate the blood flow in the AVF. The test measures the velocity and direction of the blood flow in the AVF.
Preparation for the Test
There is no specific preparation required for this test.
Sample Requirements
No sample is required for this test.
Additional Notes
Doppler evaluation of AVF is a non-invasive test that does not involve any radiation. The test is safe and does not cause any discomfort to the patient. The results of the test are usually available immediately.
