Plethysmograph

Plethysmography (Greek Plethore = wealth, graphein = write ) is a measurement method, measured by the volume fluctuations of a body part or organ. It is used for example as:

  • Verschlussplethysmografie for the diagnosis of arterial and venous blood vessels in the legs and arms,
  • Body plethysmography for the functional testing of the lung,
  • Penile plethysmography ( phallometry ) to determine the degree of erection of the penis.
  • Finger plethysmography to measure the volume of the finger in relation to the pulse.
  • Luftverdrängungsplethysmographie for determining the body composition, in particular of body fat in humans
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