HYPERCAPNIA

This study looked at whether wearing FFP2/N95 masks changes oxygen levels and pulse rate in dental professionals. Sixty dental workers took part, and researchers measured oxygen saturation and pulse while they wore the masks. The goal was to understand any short-term effects on b…

This completed study with 15 healthy volunteers tested how breathing low-oxygen and high-carbon-dioxide gas mixtures for six minutes changes heart function and blood flow. Researchers measured cardiac output and perfusion index under three conditions: low oxygen alone, high carbo…

This study looked at whether the finger you put a pulse oximeter on affects the oxygen reading. 24 healthy adults had their oxygen levels measured during short-term low oxygen and high carbon dioxide conditions. The goal was to see if choosing a specific finger could make reading…

This study tracked 862 adults in intensive care who had high carbon dioxide levels in their blood (hypercapnia). Researchers aimed to learn how common this condition is, what causes it, and how it affects patient outcomes. No new treatment was tested; instead, the goal was to gat…