plethysmography

(noun)

The diagnostic use of a plethysmograph to measure changes in volume within an organ or whole body.

Related Terms

  • Airway resistance
  • Turbulent flow
  • respiratory system

Examples of plethysmography in the following topics:

  • Factors Affecting Pulmonary Ventilation: Airway Resistance

    • Airway resistance can be indirectly measured with body plethysmography, which is an instrument used for measuring changes in volume within a structure, such as the airways.
  • Lung Capacity and Volume

    • Therefore measurement of the residual volume has to be done via indirect methods such as radiographic planimetry, body plethysmography, closed circuit dilution (including the helium dilution technique), and nitrogen washout.
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