pneumotachograph


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pneumotachograph

 [noo″mo-tak´o-graf]
an instrument for recording the velocity of respired air.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

pneu·mo·tach·o·graph

(nū'mō-tak'ō-graf),
An instrument for measuring the instantaneous flow of respiratory gases.
Synonym(s): pneumotachometer
Farlex Partner Medical Dictionary © Farlex 2012

pneumotachograph

(no͞o′mə-tăk′ə-grăf′, nyo͞o′-) or

pneumotachygraph

(-tabreve;k′ē-)
n.
An apparatus for recording the rate of airflow to and from the lungs.

pneu′mo·tach′o·graph′ic adj.
pneu′mo·ta·chog′ra·phy (-tə-kŏg′rə-fē) n.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.

pneu·mo·tach·o·graph

(nū'mō-tak'ō-graf)
An instrument for measuring the instantaneous flow of respiratory gases.
Synonym(s): pneumotachometer.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
References in periodicals archive ?
developing a new type of pneumotachograph, assessing its quality, automatization of total lung capacity measurement by the helium-dilution method, etc.) [4-6].
Yanowitz, "Effect of [O.sub.2], [N.sub.2], and C[O.sub.2] composition on nonlinearity of Fleisch pneumotachograph characteristics," Journal of Applied Physiology, vol.
Comparison of peak cough flows measured by pneumotachograph and a portable peak flow meter.
Between the ventilator and the proximal end of the ETT, we interposed in succession, a classic breathing circuit (Y-piece), a respiratory filter (heat-and-moisture exchanger), the same as the ones used in clinical settings, and a heated pneumotachograph (Hans-Rudolph Inc., model 3700, 0 to 160 l/minute, Kansas City, Kansas, USA).
Reduction in airflow can be measured accurately by having the patient breathe through a tight-fitting mask with an attached pneumotachograph, but is much more commonly assessed non quantitatively by measuring pressure just inside a nostril or carbon dioxide or temperature near the mouth and nose by means of thermistors.
Participants were connected to a metabolic cart (VMax 229, Sensormedics, Yorba Linda, Calif) which consisted of a pneumotachograph, [O.sub.2] and C[O.sub.2] analysers, and a mixing chamber.
Effect of a mask and pneumotachograph on tracheal and nasopharyngeal pressures, respiratory frequency, and ventilation in horses.
Volume calibration was made with a pneumotachograph (Pneumotachograph CPX, Medical Graphics Corp., St.
Lung function indices, including the forced expiratory volume in 1 s (FEV1) and forced vital capacity (FVC), were measured with a pneumotachograph. The diffusing capacity for carbon monoxide (DLCO) was measured by the single-breath method.
For others peak flow readings give additional help and the quality of this help will be improved by the introduction of the new EU standard.' The meters tested were mini Wright, Vitalograph, TruZone, MultiSpiro and Pneumotachograph.
Measuring masks for leakage during tidal breathing by measuring ventilated volume with a pneumotachograph, they found more effective seals with the AeroChamber and Hans Rudolph masks (ventilation of 4,24 L/min and 4.22 L/min, respectively).