(v. t.) To open and expose to the free passage of air; to supply with fresh air, and remove impure air from; to air; as, to ventilate a room; to ventilate a cellar; to ventilate a mine.
(v. t.) To provide with a vent, or escape, for air, gas, etc.; as, to ventilate a mold, or a water-wheel bucket.
(v. t.) To change or renew, as the air of a room.
(v. t.) To winnow; to fan; as, to ventilate wheat.
(v. t.) To sift and examine; to bring out, and subject to penetrating scrutiny; to expose to examination and discussion; as, to ventilate questions of policy.
(v. t.) To give vent; to utter; to make public.
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.
Vitiate
Definition:
(v. t.) To make vicious, faulty, or imperfect; to render defective; to injure the substance or qualities of; to impair; to contaminate; to spoil; as, exaggeration vitiates a style of writing; sewer gas vitiates the air.
(v. t.) To cause to fail of effect, either wholly or in part; to make void; to destroy, as the validity or binding force of an instrument or transaction; to annul; as, any undue influence exerted on a jury vitiates their verdict; fraud vitiates a contract.
Example Sentences:
(1) These conclusions vitiate previous explanations for gal3 associated long-term adaptation and noninducible phenotypes.
(2) Thus it is concluded that any solution or drug which needs to be injected should ideally be used at 37 degrees C, as temperature lower or higher than that may vitiate the results.
(3) Their review is marred by numerous errors which vitiate the potency estimates.
(4) Antibiotic therapy prior to hospitalization did not vitiate the validity of the test.
(5) The following is concluded: (1) diagnosis of folate and B12 deficiency based on SF, RCF and serum B12 is vitiated in HBT and needs a therapeutic trial; (2) iron overload of a magnitude indicated by TS greater than 50% can aggravate anemia in HBT.
(6) The technique is simple but the results may be vitiated by the minutae of preservation, of taking or of staining the cells which are described.
(7) Some of the previous results (Ascenzi et al., 1985) indicating a high hemoglobin titer were +vitiated because of an unexpected cross-reactivity of bone extracts with the hemoglobin-unreactive fraction of the antiserum.
(8) The authors have classified the various fractures of the pelvis in children by analysing the elements of functional prognosis of these lesions based on the types of fractures and on the particular factors of vitiation reported in the literature, consisting of series which are too short to be truly demonstrative.
(9) While the physiological role of these proteins remains to be determined, their presence in gonadal extracts or fluids vitiates assessment of FSH within the gonad by RIA using antiserum against hFSH.
(10) It was also found that the protective effect is vitiated by the concurrent administration of paraaminobenzoic acid.These studies indicate a need for further assessment of the antimalarial value of sulfones and sulfonamides, both alone and in combination with other drugs, for prevention and cure.
(11) In particular, the extent to which the generality of the model is vitiated by its ignoring the effect of mineralisation on strength was tested.
(12) These conclusions are not vitiated by differences in the number of nuclei within capillaries or in satellite cells, by differences in nuclear length or by variation in the degree to which fibres are contracted.
(13) Infection or ileal conduit urine vitiate the result as they produce high CEA levels in the urine in the absence of any neoplastic disease.
(14) It is argued that despite continued methodological improvements, subjects in the conditions of greater complexity may have found it sufficient to rotate only partial images, thereby vitiating the prediction.
(15) The failed bid by prime minister Antonis Samaras to throw off the yoke of international supervision by prematurely exiting the bailout programme has also vitiated his fragile government’s appeal.
(16) An investigation of the risky shift phenomenon revealed that an understanding of probability did not vitiate the shift toward greater risk.
(17) The several factors which do not depend directly on the orifice area or on the forward stroke volume vitiate the sole use of the orifice formula in the analysis of the dynamics of aortic stenosis.
(18) Mutations not detectable by analysis with the method of Southern with pDP1007, may occur in the testicular determinant factor gene vitiating testicular development.
(19) It is believed that a.m. are an important drawback contributing to vitiate any formula on the amount of muscle surgery to be performed in patients having no possibilities of restoring normal binocular vision.
(20) The stimulatory effect was vitiated by cycloheximide indicating the involvement of intermediate genes in the PLP gene activation.