Brown-Beresford K, Currie J, Thiruvenkatarajan V: The application of a surgical face mask over different oxygen delivery devices; a crossover study of measured end-tidal oxygen concentrations.

“Smart masks” are not necessarily a novel concept ... which now boasts a variety of health monitoring features, including oxygen saturation and cardiac rhythm monitoring.

Background Venturi masks are commonly used in the hospital setting to deliver controlled percentages of oxygen. This is important for those at risk of hypercapnic respiratory failure and to accurately ...