plethysmography


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Related to plethysmography: Impedance plethysmography

plethysmography

 [plĕth″iz-mog´rah-fe]
the determination of changes in volume by means of a plethysmograph.
air-cuff plethysmography a technique for measuring changes in the circumference of a limb by recording the changes in pressure in an air-filled cuff surrounding the limb.
respiratory inductive plethysmography a technique that uses elastic bands around the chest and abdomen of the patient to calculate chest and abdominal expansion, respiratory rate, respiratory pattern, and tidal volume.

pleth·ys·mog·ra·phy

(pleth'iz-mog'ră-fē),
Measuring and recording changes in volume of an organ or other part of the body by a plethysmograph.
[G. plēthysmos, increase, + graphē, a writing]

plethysmography

/ple·thys·mog·ra·phy/ (plĕ″thiz-mog´rah-fe) the determination of changes in volume by means of a plethysmograph.

plethysmography

[pleth′izmog′rəfē]
Etymology: Gk, plethynein, to increase, graphein, to record
the measurement of changes in the volume of organs or other body parts, particularly those changes resulting from blood flow.

plethysmography

A technique that detects changes in the volume of an organ, limb or the body, by measuring the flow of blood through its veins. See Arterial plethysmography, Impedance plethysmography, Ocular plethysmography.
Plethysmography
Whole body plethysmography measures the volume of gas in the lungs, including that which is trapped in poorly communicating air spaces,  of particular use in COPD and emphysema
Impedance plethysmography Venous impedance plethysmography A technique used to diagnose acute venous obstruction or vascular insufficiency of an extremity by measuring the change in limb volume with each arterial pulse and during cuff occlusion of the venous flow from the limb, the manipulation of which allows evaluation of either the arterial or venous flow  

pleth·ys·mog·ra·phy

(pleth'iz-mog'ră-fē)
Measuring and recording changes in volume of an organ or other part of the body by a plethysmograph.
[G. plēthysmos, increase, + graphē, a writing]

plethysmography

A method of assessing the volume of blood flowing through a limb or other body part by measuring the change in volume, using strain gauges, air cuffs, impedance electrodes or other methods.

plethysmography

the determination of changes in volume by means of a plethysmograph.
References in periodicals archive ?
Respiratory rate measurement with MEC-1000 is based on the impedance plethysmography method.
3]/FVC was calculated electronically by whole-body plethysmography for each patient; this can also be calculated by spirometers.
Third, we measured %FM using air displacement plethysmography, a validated body composition method [13].
Interrupter technique versus plethysmography for measurement of respiratory resistance in children with asthma or cystic fibrosis.
The studies encompassed in this review included one or more of the listed body-composition assessment methods: DXA, hydrodensitometry, inert gas dilution methods, plethysmography, infrared spectrophotometry (NIR), BIA and anthropometric methods.
Lung function was then assessed using the rather grand sounding plethysmography, which is all to do with volume and pressure.
Systolic and diastolic blood pressure was measured once a week by a tail-cuff plethysmography under light ether anesthesia.
Pulse plethysmography (PPG) was described in the 1930s (1), prior to the development of the pulse oximeter, and the combination of the two approaches in the modern pulse oximeter allows continuous non-invasive monitoring of arterial oxygenation, pulse rate and pulse plethysmograph waveform analysis (2).
On a separate day before bioimpedance testing but not more than 12 mo prior, using techniques described in detail previously [28], we tested the subjects for presence of high blood pressure (orthostatic blood pressure [OBP]), peripheral arterial disease (ankle-brachial index [ABI]), and venous stasis (ambulatory strain-gage plethysmography [ASGP]).
Body fat, weight and volume of the babies were also measured with air displacement plethysmography using the Pea Pod Infant Body Composition System.
Accuracy of Consumer Grade Bioelectrical Impedance Analysis Devices Compared to Air Displacement Plethysmography.