Share this entry

Share this page

plethysmograph

Syllabification: ple·thys·mo·graph
Pronunciation: /pləˈTHizməˌɡraf
 
/

Definition of plethysmograph in English:

noun

Medicine
An instrument for recording and measuring variation in the volume of a part of the body, especially as caused by changes in blood pressure.
Example sentences
  • Lennox and coworkers found that drift of an inductive plethysmography signal was only 22% of the drift arising from changes in temperature within a body plethysmograph.
  • Lung volumes were measured in a whole-body plethysmograph, and data were expressed as a percent of the predicted values published by Goldman and Becklake.
  • Hulskamp and coworkers measured lung volume with a new plethysmograph in 32 healthy infants.

Origin

late 19th century: from Greek plēthusmos 'enlargement' (based on plēthus 'fullness') + -graph.

Derivatives

plethysmographic

1
Pronunciation: /pləˌTHizməˈɡrafik/
adjective
Example sentences
  • The pulse oximeter also utilizes a plethysmographic waveform to differentiate pulsatile arterial hemoglobin saturation from venous blood.
  • Before and after training, spirometry, plethysmographic lung volumes, and carbon monoxide diffusing capacity were assessed.
  • Baseline specific airways conductance and airway responsiveness to histamine were measured using a non invasive body plethysmographic technique.

plethysmography

2
Pronunciation: /ˌpleTHizˈmäɡrəfē/
noun
Example sentences
  • To develop an objective method for optimizing airway pressure, Habib and coworkers measured changes in lung volume using respiratory inductive plethysmography before and after lung lavage in five piglets.
  • Manipulations required for measurement of static compliance would have disrupted our measurement of respiratory inductive plethysmography.
  • Pulmonary function testing, including spirometry and whole-body plethysmography, was performed at each visit.

Definition of plethysmograph in:

Share this entry

Share this page

 

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day boscage
Pronunciation: ˈbɒskɪdʒ
noun
a mass of trees or shrubs