plethysmograph


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Related to plethysmograph: body plethysmograph

plethysmograph

[plə′thiz·mə‚graf]
(medicine)
An instrument for measuring changes in the size of a part of the body by measuring changes in the amount of blood in that part.
References in periodicals archive ?
The volume of paw oedema in each group was determined with plethysmograph apparatus and the subsequent readings were taken at an interval of 30 min for a total of 180 min.
Looking at research where investigators have used the penile plethysmograph (PPG), a tool developed to assess adult male sexual interests (Freund, 1991), Seto, Lalumiere, and Blanchard (2000) reported that only 25% of the adolescent males in their investigation demonstrated maximal sexual interest in prepubescent children.
Spirometry and carbon monoxide (CO) gas transfer were measured using Medgraphics Elite Series Plethysmograph.
Body Fat Content- Body fat content was measured by an Impedance Plethysmograph (RJL systems, Clinton TWP, MI).
FBF was estimated by venous occlusion plethysmography, using a mercury-in-rubber strain gauge (Hokanson EC6 strain gauge plethysmograph, D.
Spirometry was measured by an experienced scientific officer using a Vmax 22D spirometer coupled to an Autobox V62J Body Plethysmograph and Spectra software (Sensormedics Corp.
Lung volume and lung function were evaluated using a plethysmograph, an instrument used to measure the amount of air in the lung, and via forced oscillation, a technique used to measure the resistance to air flow in the lungs.
The body plethysmograph directly measures airway resistance by measuring the pressures needed to produce resultant flows and thus the units for Raw are cm H2O/liter/ second.
1979 & 1980) and transthoracic admittance plethysmograph method (Ito et al.
Both the polygraph and penile plethysmograph are used in the program.
SGaw and AHR to histamine: These parameters were measured in spontaneously breathing nonanaesthetized animals using a non-invasive body plethysmograph technique (14).