Breathing and ventilation
Control of gill ventilation and air breathing in the bowfin amia calva
... gill ventilation and air-breathing in the bowfin Amia ...gill ventilation and type I air breaths are controlled by O 2 -sensitive chemoreceptors located in the branchial region, and (2) that type II ...
8
Assessing breathing effort in mechanical ventilation: physiology and clinical implications
... patient breathing effort in mechanical ...of breathing effort may allow the clinician to titrate ventilator support to physiological levels of respiratory muscle ...quantify breathing effort, ...
14
Application of Breathing Architectural Members to the Natural Ventilation of a Passive Solar House
... minimum ventilation rate, but can also better deal with an increase in the ventilation load, which would otherwise degrade the indoor thermal ...natural ventilation functions as a surface treatment ...
16
Imposed work of breathing during high frequency oscillatory ventilation: a bench study
... Methods A computer-controlled piston-driven test lung was used to simulate a spontaneously breathing patient. The test lung was connected to a high-frequency oscillatory ventilation (HFOV) ventilator by an ...
7
Breathing with floating ribs: XROMM analysis of lung ventilation in savannah monitor lizards
... of ventilation, but the connections between these structures and functions are poorly ...lung ventilation in three savannah monitor lizards (Varanus ...to ventilation; the magnitude and kinematic ...
10
Comparison of CT ventilation imaging and hyperpolarised gas MRI: effects of breathing manoeuvre.
... fractional ventilation maps that are fully ...complicated breathing manoeuvers for the patient and much higher doses of hyperpolarised 3 He to match the resolution of static ventilation ...
25
Non-invasive ventilation in the treatment of sleep-related breathing disorders: A review and update
... a breathing pattern characterized by periods of crescendo---decrescendo change in tidal ...moving-target ventilation set at 90% of the patient’s recent average ...of breathing patterns and to reduce ...
12
Beneficial effects of loxapine on agitation and breathing patterns during weaning from mechanical ventilation
... Administration of loxapine, another neuroleptic agent, could be an interesting option in this setting, because of its good hemodynamic safety profile, its appropriate sed- ative properties, the rarity of its side ...
7
Continuous Distributions of Ventilation Perfusion Ratios in Normal Subjects Breathing Air and 100% O2
... of ventilation-perfusion ratios (V A /Q) based on the steadystate elimination of six gases of different ...compared breathing air and 100% oxygen, while in ...
16
Assessment of the Rapid Shallow Breathing Index as a Predictor of Weaning of Patients with Prolonged Mechanical Ventilation
... mechanical ventilation (defined as >72 h following ICU ...mechanical ventilation and extubation may be highly dependent on the clinical ...shallow breathing index (RSBI) [respiratory frequency ...
6
Accuracy of delivered airway pressure and work of breathing estimation during proportional assist ventilation: a bench study
... assist ventilation (PAV), described by Younes [1], was the first ventilator mode that introduced the concept of ‘patient-driven’ ventilation: a patient’s effort could influence not only the timing but also ...
10
Inhibition of breathing after surfactant depletion is achieved at a higher arterial PCO2 during ventilation with liquid than with gas
... pressure ventilation at 60/ min was chosen in a model of surfactant depletion to sim- ulate a relevant clinical situation in which lung recruit- ment and possibly low tidal ventilation could be ...
8
Influence of end-expiratory level and tidal volume on gravitational ventilation distribution during tidal breathing in healthy adults
... regional ventilation distribution is based on studies using stepwise inhalation of radiolabelled tracer gases, magnetic resonance imaging and positron emission ...in ventilation distribution at different ...
8
Spontaneous breathing with airway pressure release ventilation favors ventilation in dependent lung regions and counters cyclic alveolar collapse in oleic acid induced lung injury: a randomized controlled computed tomography trial
... spontaneous breathing activity ...spontaneous breathing with APRV promotes alveolar recruitment mainly in dependent, jux- tadiaphragmatic lung ...tidal ventilation to dependent lung zones. In ...
10
Breathing in Rana Pipiens: the Mechanism of Ventilation
... (1982), using potentially restrictive face masks fitted with pneumotachograph screens, have made some direct measurements. Flow rates at the glottis and concentrations of gas in the bucc[r] ...
20
Work of Breathing and Different Levels of Volume-Targeted Ventilation
... mechanical ventilation by using triggered ventilation were as- sessed because this is likely to be a situation in which VTV would be useful, that is, during the recovery phase, when lung function is ...
8
Effect of altering breathing frequency on maximum voluntary ventilation in healthy adults
... Unlike MVV and V T , there were no significant rela- tionships observed between f R and PETCO 2 . This is somewhat unexpected as PETCO 2 is known to decrease as the ventilation increases. The lack of this trend in ...
7
Unloading work of breathing during high frequency oscillatory ventilation: a bench study
... spontaneous breathing imposes a high level of WOB and triggers numerous alarms, with result- ant loss of the benefits of maintaining some element of spon- taneous respiration during ventilator ...
7
The Muscular Basis of Aquatic And Aerial Ventilation in the Air Breathing Teleost Fish Channa
... Early and prolonged activity in the levator arcus palatini, dilatator operculi, sterno- hyoideus and hyohyoideus inferior muscles and the creation of a low pressure in the buccal cavity [r] ...
20
Effects of Pursed Lip Breathing on Ventilation and Activities of Daily Living in Patients with COPD
... The researchers contacted each of the potential participants to explain the objectives of the study. If the participant agreed to take part in the research, an educational sessions was held for each patient on the day of ...
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