Plethysmography is used to measure changes in volume in different parts of the body. This can help check blood. 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 this test that is done on the penis to check for causes of erectile dysfunction .
Related tests include:
Respiratory inductance plethysmography; Penile pulse volume recording
Burnett AL. Evaluation and management of erectile dysfunction. In: Wein AJ ed. . 10th ed. Philiadelphia, Pa: Saunders Elservier;2011: chap 24.