نتایج جستجو برای: mask
تعداد نتایج: 22192 فیلتر نتایج به سال:
conclusions using eye mask can significantly improve the sleep quality in cardiac patients. therefore, nurses are recommended to use eye mask in combination with current treatments for improving patients’ sleep quality. results after the study, the median scores of the subjective sleep quality, the sleep latency, the sleep duration, the habitual sleep efficiency, and the sleep disturbances doma...
BACKGROUND There are no existing data regarding risk factors for impossible mask ventilation and limited data regarding its incidence. The authors sought to determine the incidence, predictors, and outcomes associated with impossible mask ventilation. METHODS The authors performed an observational study over a 4-yr period. For each adult patient undergoing a general anesthetic, preoperative p...
STUDY OBJECTIVES To determine the efficacy of a novel mask device in limiting cold air exercise-induced decline in lung function in subjects with a history of exercise-induced asthma (EIA). SETTING In spite of appropriate medical therapy, many asthma patients are limited in cold weather activities. DESIGN In study 1, 13 asthmatic subjects performed two randomized, single-blind treadmill exe...
Objectives: The recent introduction of a disposable laryngeal mask airway has provided paramedics with an alternative to endotracheal intubation. Time taken to secure the airway with each device was compared in patients undergoing elective surgery. Methods: Patients undergoing general anaesthesia were studied. Paramedics trained in laryngeal mask use and endotracheal intubation participated in ...
BACKGROUND Pressurized metered-dose inhalers with valved holding chambers and masks are commonly used for aerosol delivery in children. Drug delivery can decrease when the dead-space volume (DSV) of the valved holding chamber is increased, but there are no published data evaluating force-dependent DSV among different masks. METHODS Seven masks were studied. Masks were sealed at the valved hol...
OBJECTIVES The recent introduction of a disposable laryngeal mask airway has provided paramedics with an alternative to endotracheal intubation. Time taken to secure the airway with each device was compared in patients undergoing elective surgery. METHODS Patients undergoing general anaesthesia were studied. Paramedics trained in laryngeal mask use and endotracheal intubation participated in ...
1D gridded design is one of the most promising solutions that can enable the scaling to 10nm technology node and beyond. Line-end cuts are needed to fabricate 1D layouts, where two techniques are available to resolve the conflicts between cuts: cut redistribution and cut mask assignment. In this paper, we consider incorporating the two techniques to enable the manufacturing of cut patterns in 1...
Masks are used in optical image processing. They are used to generate gradient maps. These maps are applicable to the enhancement of feature extraction and edge detection. Lagrange mask is presented in this letter and criteria for the characterizations of mask performance are given. Through an illustration the performance of the presented mask is demonstrated where it is compared to that of Gab...
For many parameters derived from satellite imagery, the accurate detection of clouds is essential. The determination of cloud or no cloud for each pixel is known as a cloud mask. Cloud masks are used to filter out cloudy pixels for clear-sky retrievals such as land and sea surface temperature and total precipitable water, and also to detect clouds for cloud parameter retrievals such as cloud ph...
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