Respiratory inductance plethysmography; Penile pulse volume recording; Pulse volume recordings; Segmental pulse volume recordings
Plethysmography is used to measure changes in volume in different parts of the body. The test may be done to check for blood clots in the arms and legs, or to measure how much air you can hold in your lungs.
Penile pulse volume recording is a type of this test that is done on the penis to check for causes of erectile dysfunction.
Most commonly, plethysmography is performed to check blood flow in the arteries of the legs. This is done in people with conditions like hardening of the arteries (atherosclerosis) that causes pain during exercise or poor healing of leg wounds.
Related tests include:
To have the test:
You will be given a hospital gown or other loose clothing to wear during the test.
The blood pressure cuffs may feel tight on your legs and cause mild discomfort.
Narrowed arteries due to vascular disease can cut down on blood flow. This can lead to pain in the legs during exercise (claudication).
When the problem is severe, it can cause poor healing of wounds on the feet, infections, or gangrene. This study is performed to see if the blood flow is normal. Most often it is combined with Doppler measurements, blood pressure measurements, and ankle-brachial index (ABI).
This test is not as effective in people who are obese.
Unlike standard pressure measurements, this test can be used even if there is a high degree of hardening of the arteries.
Fowler GC, Reddy B. Noninvasive Venous and Arterial Studies of the Lower Extremities. In: Pfenninger JL, Fowlder GC, eds. Pfenninger & Fowler's Procedures for Primary Care. 3rd ed. Philadelphia, PA: Elsevier Mosby; 2011:chap 88.BACK TO TOP
Review Date: 10/22/2014
Reviewed By: Jason Levy, MD, Northside Radiology Associates, Atlanta, GA. Also reviewed by David Zieve, MD, MHA, Isla Ogilvie, PhD, and the A.D.A.M. Editorial team.
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