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 of this test that is done on the penis to check for causes of
Related tests include:
Respiratory inductance plethysmography; Penile pulse volume recording