Noninvasive Arterial and Venous Duplex Studies
Noninvasive arterial and venous duplex studies are performed to detect the presence, location, and severity of arterial and venous vascular diseases. These are the basic, non-invasive, cost-effective and painless procedures performed using Doppler ultrasound techniques and no surgery, x-rays, and needles are used. These procedures cause minimal risks and discomfort to the patient when compared to invasive techniques.
Duplex ultrasound uses sound waves to detect how blood flows through the blood vessels and to reveal any blockages. Duplex ultrasound combines traditional ultrasound with Doppler ultrasound. Regular ultrasound uses high-frequency sound waves to create images of organs within the body. Doppler ultrasound uses sound waves to evaluate blood as it flows through a blood vessel.
Summit Cardiology Vascular Center
The Summit Cardiology Vascular Center provides comprehensive diagnostic and treatment capabilities for the broad spectrum of patients with vascular disease. The vascular diagnostic center utilizes non-invasive duplex ultrasound and physiologic testing for assessment of vascular disease conditions. The vascular diagnostic center is accredited by the Intersocietal Commission for Accreditation of Vascular Laboratories. The medical director, Dr. Gary L. Weeks, is credentialed in Vascular Medicine, Vascular Angiography and Vascular Intervention, and all of the physicians who work in the center hold certification as Registered Physicians in Vascular Interpretation. The state-of-the-art evaluations provided in the Summit Cardiology Vascular Center enhance treatment options and improve the quality of life for patients with vascular disease.
During the procedure you are asked to lie down on a table, a gel is applied to help transmit the sound waves and a handheld device called a transducer is gently moved on the area to be examined. As the transducer moves, the signals are transmitted to the computer that changes the sound waves into images. During the test, you may hear a "swishing" sound, which is the sound of the blood moving through the body.
A duplex ultrasound can help diagnose the following conditions:
- Peripheral arterial disease: Peripheral arterial disease (PAD) refers to narrowing of the blood vessels that obstructs blood flow to the arms or legs usually due to atherosclerosis (fatty plaques in walls of blood vessels) or other diseases
- Deep venous thrombosis: Deep venous thrombosis (DVT) refers to a condition in which a blood clot is formed in a vein and the clot can move through the blood stream to the lungs
- Aortic aneurysms: This refers to abnormal bulging of the major artery that may cause fatal rupture
- Other conditions such as cerebrovascular disease, chronic venous disease, renal artery disease, and mesenteric arterial disease can also be diagnosed by a duplex ultrasound technique
- It is also used for venous mapping for coronary bypass