AllRefer Health - Blood Flow Studies (Duplex/Doppler Ultrasound)

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Blood Flow Studies


•	Definition
•	Why is the Test Performed?
•	How is the Test Performed?
•	How to Prepare for the Test?
•	How will the Test Feel?
•	Normal Values
•	What do Abnormal Results Mean?
•	Special Considerations
•	Risks
•	Pictures & Images
•	Go To Main Page

Alternate Names : Duplex/Doppler Ultrasound

Definition

Blood flow studies measure blood flow and pressure. A duplex study uses Doppler ultrasound to estimate blood flow through arteries or veins. Plethysmography measures changes in blood volume in a blood vessel.

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Duplex/Doppler Ultrasound Test

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Why is the Test Performed?

These are noninvasive (external) tests used to determine if there is significant disease in either arteries or veins, if adequate blood is reaching an extremity, to evaluate trauma to a blood vessel, or to monitor patients with arterial reconstruction or grafts. These tests can also detect blood clots.

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• Definition
• Why is the Test Performed?
• How is the Test Performed?
• How to Prepare for the Test?
• How will the Test Feel?
• Normal Values
• What do Abnormal Results Mean?
• Special Considerations
• Risks
• Pictures & Images

Review Date : 10/29/2003
Reviewed By : Jeffrey Everett, M.D., Department of Surgery, University of Iowa, Iowa City, IA. Review provided by VeriMed Healthcare Network.

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