(n.) The act or process of exhaling, or sending forth in the form of steam or vapor; evaporation.
(n.) That which is exhaled, or which rises in the form of vapor, fume, or steam; effluvium; emanation; as, exhalations from the earth or flowers, decaying matter, etc.
(n.) A bright phenomenon; a meteor.
Example Sentences:
(1) We investigated the possible contribution made by oropharyngeal microfloral fermentation of ingested carbohydrate to the generation of the early, transient exhaled breath hydrogen rise seen after carbohydrate ingestion.
(2) The volume of exhaled gas, during three- to five-minute collection periods, was measured and the fraction of exhaled CO2 was determined by a CO2 meter.
(3) Such an 'inert tube' model may be adequate to describe the inhalation and exhalation kinetics of inert vapours, for example non-polar solvents which have a low water solubility.
(4) Response requirements are manual rather than verbal so that, in addition to monitoring heart rate, subjects' exhaled air may be collected throughout the task in order to determine oxygen consumption.
(5) Offspring of marmosets reached adult values of 14CO2 exhalation at 8 days postnatally when using [14CO2]-methacetin as substrate and at 30 days postnatally using [14C2H5]-phenacetin in the breath test.
(6) After a breath-hold of 30-90 s they exhaled and then breathed spontaneously the same anaesthetic mixture for up to 2 min.
(7) We propose a metabolic scheme in which the major pathway for metabolism of 1-CP is to CO2 (which is exhaled) and to cysteine conjugates and mercapturic acids that are excreted in the urine.
(8) Photograph: Manuel Vazquez for the Guardian One of the most insistent voices arguing against e-cigarettes has been the World Health Organisation, which has called for a ban on vaping indoors, citing evidence that “suggests exhaled e-cigarette aerosol increases the background air level of some toxicants, nicotine and particles”.
(9) Diphasicity of the exhalation curve was not present in these patients.
(10) Insignificant 14C was detected by carcass analysis following cessation of exhaled 14CO2.
(11) "Traumatised critics exhale: I'm unable to do the Oscars again," he wrote .
(12) A Fisher and Paykel anesthetic humidifier was employed in the exhalation side of Jackson Rees type breathing circuit between the anesthesia machine and patient's endotracheal tube.
(13) Pulmonary distribution of [99Tcm) albumin radioaerosol, maximal expiratory flow when 25% of forced vital capacity remain to be exhaled (MEF25), and bronchial responsiveness to inhaled histamine were measured.
(14) Acidic rinsing resulted in an immediate 90% reduction in exhaled ammonia in all subjects, and a return to 50% of baseline levels occurred within 1 h. Depletion that resulted from tooth brushing or distilled water alone was not significant.
(15) These samples were collected from atmospheres of either analyte generated at 35 degrees-40 degrees C and 80%-90% relative humidity to simulate an exhaled breath sample matrix.
(16) The 8 patients who developed diarrhea (33%) had significantly elevated hydrogen exhalation in relationship to the patients with no diarrhea.
(17) Rectal temperature, PaO2, PaCO2, respiratory rate, exhaled minute ventilation (VE), tidal volume (VT), and blood pressure and pulse were measured.
(18) Approximately 12% of the administered radioactivity is exhaled as 11CO2 during the first 30 min.
(19) The results during wakefulness indicate that the TA contributes to an active adduction of the vocal cords in expiration and suggest the presence of an active laryngeal braking mechanism during exhalation.
(20) The correlation between exposure to THF and its concentration in exhaled breath and blood was low (r = 0.61 and 0.68 respectively).
Ventilation
Definition:
(n.) The act of ventilating, or the state of being ventilated; the art or process of replacing foul air by that which is pure, in any inclosed place, as a house, a church, a mine, etc.; free exposure to air.
(n.) The act of refrigerating, or cooling; refrigeration; as, ventilation of the blood.
(n.) The act of fanning, or winnowing, for the purpose of separating chaff and dust from the grain.
(n.) The act of sifting, and bringing out to view or examination; free discussion; public exposure.
(n.) The act of giving vent or expression.
Example Sentences:
(1) Heart rate (HR), pulmonary ventilation (V), oxygen consumption (VO2), carbon dioxide production (VCO2), and respiratory quotient (RQ) were measured.
(2) We studied the hemodynamic changes caused by bronchoscopy under LA in mechanically ventilated patients and the effect of LA on the endoscopic decline in arterial pO2.
(3) They are best explained by interactions between central sympathetic activity, brainstem control of respiration and vasomotor activity, reflexes arising from around and within the respiratory tract, and the matching of ventilation to perfusion in the lungs.
(4) This study compares anaesthesia with controlled ventilation of the lungs with atracurium and alfentanil analgesia with halothane anaesthesia.
(5) In some experiments heart rate and minute ventilation (central vactors) appear to be the dominant cues for rated perceived exertion, while in others, local factors such as blood lactate concentration and muscular discomfort seem to be the prominent cues.
(6) We found that, compared to one- and two-dose infants, those treated with three doses of Exosurf were more premature, smaller, required a longer ventilator course, and had more frequent complications, including patent ductus arteriosus (PDA), intraventricular hemorrhage, nosocomial pneumonia, and apnea.
(7) Mechanical ventilation was soon instituted and several antibiotics and acyclovir were administered intravenously, with marked effects.
(8) Anaesthesia was maintained with artificial ventilation and alcuronium, or spontaneous ventilation with halothane.
(9) The patient and ventilator work ratios, and the work of breathing quantify factors which may be directly useful to the clinician and to future systems to automate weaning.
(10) Ten patients received intercostal nerve blockade on a total of 29 occasions in order to provide analgesia following liver transplantation and to facilitate weaning from artificial ventilation of the lungs.
(11) Ventilation-perfusion lung scans and contrast ascending venography were performed on the sixth to eighth postoperative days.
(12) The rabbits were either breathing spontaneously or were ventilated by a phrenic nerve-controlled servorespirator without the use of muscle relaxants.
(13) Although hypothyroidism is not a common cause of ventilator dependency, it might be more common than we think.
(14) In 8 animals, blood flow was measured during control and sequentially 1, 2, and 3 min after ventilation was stopped.
(15) HFV was delivered at frequencies (f) of 3, 6, and 9 Hz with a ventilator that generated known tidal volumes (VT) independent of respiratory system impedance.
(16) Since the early 1960's nasotracheal tubes have been used for neonates with primary respiratory diseases which necessitated positive pressure ventilation.
(17) Although the level of ventilation is maintained constant during eating and drinking, the pattern of breathing becomes increasingly irregular.
(18) A facility for keeping chickens free of Marek's disease (MD) was obtained by adopting a system of filtered air under positive pressure (FAPP) for ventilation, and by imposing restrictions on entrance of articles, materials and personnel.
(19) No change in breathing frequency, minute ventilation, and pulmonary gas exchange was observed.
(20) During the weaning period after 18 h of mechanical ventilation following open-heart surgery, central haemodynamics, systemic oxygen transport and total oxygen consumption were assessed in a total of 11 patients receiving continuous positive pressure ventilation.