Jun 27, 2019
In different areas of the body, plethysmography measures volume changes. These changes are measured by blood pressure cuffs and other sensors. These are connected to a machine known as a plethysmographer. This is also known as volume plethysmography.
Plethysmography detects blood flow changes. It can help your doctor determine if your arm or leg has a blood clot. It can also help your doctor calculate your lungs ' volume of air.