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plethysmograph

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plethysmograph /ple·thys·mo·graph/ (plĕ-thiz´mo-grah) an instrument for recording variations in volume of an organ, part, or limb.
ple·thys·mo·graph (pl-thzm-grf)
n.
An instrument that measures variations in the size of an organ or body part on the basis of the amount of blood passing through or present in the part.

ple·thysmo·graphic adj.

plethysmograph
[pləthiz′məgraf′]
an instrument for measuring and recording changes in the size and volume of extremities and organs by measuring changes in their blood volume. plethysmographic, adj.

plethysmograph [plĕ-thiz´mo-graf]
any device for measuring and recording variations in the volume of an organ, part, or limb.
body plethysmograph a device used in pulmonary function tests to measure parameters such as functional residual capacity (FRC) and lung-thorax compliance (CLT). It consists of a large box in which the subject can be sealed so that volume of the thorax can be determined from pressure changes in the box.

plethysmograph
any device for measuring and recording variations in the volume of an organ, part or limb.

body plethysmograph
a device used in pulmonary function tests to measure parameters such as functional residual capacity (FRC) and lung-thorax compliance (CLT). It consists of a large box in which the subject can be sealed so that volume of the thorax can be determined from pressure changes in the box while the lung volume and gas pressure in the lungs are measured by spirometry.


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We used a 12-chamber whole-body plethysmograph system using Buxco BioSystem XA software (Buxco Electronics, Wilmington, NC) to measure ventilatory parameters and the enhanced pause (Penh), an index of airflow limitation and a surrogate for bronchoconstriction (Hamelmann et al.
It has been shown that maximum expiratory flow-volume curve (MEFVC) values measured by plethysmograph remain higher than values measured at the mouth.
EE-PB=erotic experience-penile plethysmograph (PPG) peak-base millimeters circumference change; ER-PB=erotic regulate-PPG peak-base millimeters circumference change; EE-SRMA=erotic experience-self-reported maximum arousal; ER-SRSA=erotic regulate-self-reported maximum arousal; EE- SAME=erotic experience-self-reported maximum erection; ER-SRME=erotic regulate-self-reported maximum erection; HE-SRA=humourous experience-self-reported amusement; HR-SRA=humourous regulate-self-reported amusement.
 
 
 
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