Plethysmography is a technique of measuring volume changes of an organ, the volume may be due to blood, water or air. It is of many types like Photo electric Plethysmography, Pneumo ( Body or Chamber ) Plethysmography, Inductive Plethysmography, Impedance Plethysmography, Magnetic Susceptibility Plethysmography, Body Plethysmography, Strain Gauge Plethysmography2-5. We are mainly concerned with IMPEDANCE PLETHYSMOGRAPHY that measures volume changes of blood in chest, calf or any other region of the body by sensing electrical resistance changes in respective area.
Plethysmography is a technique of measuring volume changes of an organ, the volume may be due to blood, water or air. It is of many types like Photo e...
