Results 11 to 20 of about 7,373,496 (288)

Oxygen therapy, continuous positive airway pressure, or noninvasive bilevel positive pressure ventilation in the treatment of acute cardiogenic pulmonary edema

open access: yesArquivos Brasileiros de Cardiologia, 2001
OBJECTIVE: To compare the effects of 3 types of noninvasive respiratory support systems in the treatment of acute pulmonary edema: oxygen therapy (O2), continuous positive airway pressure, and bilevel positive pressure ventilation.
Marcelo Park   +7 more
doaj   +2 more sources

Plastron Respiration Using Commercial Fabrics [PDF]

open access: yes, 2014
A variety of insect and arachnid species are able to remain submerged in water indefinitely using plastron respiration. A plastron is a surface-retained film of air produced by surface morphology that acts as an oxygen-carbon dioxide exchange surface ...
Christopher Hamlett   +16 more
core   +1 more source

A non-invasive and simple method of rescuing an entrapped tongue from a glass water bottle for a small state hospital: a case report [PDF]

open access: yesPediatric Emergency Medicine Journal
If children try to vigorously drink fluid from a glass bottle or play with it, their tongues can be entrapped in the bottle wherein the vacuum is created.
Hayrunnisa Oral   +2 more
doaj   +1 more source

Evaluation of Respiratory Dynamics in an Asymmetric Lung Compliance Model [PDF]

open access: yesKorean Journal of Critical Care Medicine, 2017
Background Unilateral lung hyperinflation develops in lungs with asymmetric compliance, which can lead to vital instability. The aim of this study was to investigate the respiratory dynamics and the effect of airway diameter on the distribution of tidal ...
So Hui Yun   +3 more
doaj   +1 more source

Independent Information of Nonspecific Biomarkers in Exhaled Breath Condensate [PDF]

open access: yes, 2010
Background: Exhaled breath condensate (EBC) has been used for diagnosing and monitoring respiratory disorders. For clinical purposes the assessment of easy-to-obtain nonspecific markers seems particularly interesting.
Römmelt, Horst   +26 more
core   +1 more source

Bomb-14C analysis of ecosystem respiration reveals that peatland vegetation facilitates release of old carbon [PDF]

open access: yes, 2009
The largest terrestrial-to-atmosphere carbon flux is respired CO2. However, the partitioning of soil and plant sources, understanding of contributory mechanisms, and their response to climate change are uncertain.
Fallick, A. E.   +9 more
core   +1 more source

Oxygen supply and consumption in soilless culture: evaluation of an oxygen simulation model for cucumber [PDF]

open access: yes, 2001
A soil oxygen simulation model (OXSI) was tested and evaluated for evaluating growing media with respect to aeration. In the model, local oxygen concentrations are calculated from coefficients of diffusion and consumption (respiration), assuming ...
Baas, R.   +4 more
core   +1 more source

Flow Index accurately identifies breaths with low or high inspiratory effort during pressure support ventilation

open access: yesCritical Care, 2021
Background Flow Index, a numerical expression of the shape of the inspiratory flow-time waveform recorded during pressure support ventilation, is associated with patient inspiratory effort.
Filippo Albani   +11 more
doaj   +1 more source

Perfusion of the interventricular septum during ventilation with positive end-expiratory pressure (PEEP) [PDF]

open access: yes, 1991
Objective: To determine whether regional hypoperfusion of the interventricular septum occurs during ventilation with positive end-expiratory pressure. Design: Animal study. Animals: Anesthetized, closed chest dogs (n = 8).
Schosser, Rudolf   +6 more
core   +1 more source

Effect of acute and chronic pressure-threshold inspiratory muscle training on upper and lower airway function [PDF]

open access: yes, 2010
This thesis was submitted for the degree of Doctor of Philosophy and awarded by Brunel University.There is evidence to suggest that inspiratory muscle training (IMT) may influence the functional properties of the muscles of the upper (UA) and lower (LA ...
How, Stephen Christopher
core   +7 more sources

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