👉 Plethysmography is a medical imaging technique used to visualize and analyze the structure of blood vessels. It involves taking high-resolution images of the arteries, veins, and capillaries within the body. The images are then analyzed to identify abnormalities such as blockages or narrowing, as well as changes in blood flow patterns. Plethysmography is commonly used to diagnose conditions such as atherosclerosis, arteriosclerosis, and other cardiovascular diseases. It has become increasingly popular in recent