Airflows around oxygen masks - A potential source of infection?
Publication in refereed journal


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摘要Patients with respiratory infections often require the use of supplemental oxygen via oxygen masks, which, in the hospital, may become sources of aerosolized infectious pathogens. To assess this risk, a human lung model (respiration rate, 12 breaths/min) was designed to test the potential for a simple oxygen mask at a common setting (4 L/min) to disperse potentially infectious exhaled air into the surrounding area. A laser sheet was used to illuminate the exhaled air from the mask, which contained fine tracer smoke particles. An analysis of captured digital images showed that the exhaled air at the peak of simulated exhalation reached a distance of approximately 0.40 m.
著者Hui DS, Ip M, Tang JW, Wong ALN, Chan MTV, Hall SD, Chan PKS, Sung JJY
期刊名稱Chest
出版年份2006
月份9
日期1
卷號130
期次3
出版社AMER COLL CHEST PHYSICIANS
頁次822 - 826
國際標準期刊號0012-3692
語言英式英語
關鍵詞aerosol; airborne; airflow; hospital-acquired; infection; infection control; nosocomial; oxygen mask; transmission; visualization
Web of Science 學科類別Critical Care Medicine; CRITICAL CARE MEDICINE; General & Internal Medicine; Respiratory System; RESPIRATORY SYSTEM

上次更新時間 2020-04-08 於 05:54