Purpose of study: Patients with respiratory diseases are often required to wear protective masks to minimize the risk of spreading infections. However, when these patients necessitate oxygen enrichment, the impact of wearing both a protective mask and an oxygen mask on the concentration of inhaled oxygen and carbon dioxide remains unclear. This study was conducted with the aim of comparing the inhaled concentrations of oxygen and carbon dioxide in five different scenarios, utilizing both an enrichment mask and a protective mask.
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Riad Tome (2024) studied this question.
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