The Nature Index 2025 Research Leaders — previously known as Annual Tables — reveal the leading institutions and countries/territories in the natural and health sciences, according to their output in ...

Introduction Hypoxic challenge test consisting of breathing 15% FiO2 for 20 min with blood gas measurements is recommended by BTS guidelines for the assessment of the requirement for in-flight oxygen.

Calculating the partial pressure of oxygen in arterial blood (PaO2) is an essential skill for medical professionals, especially in assessing a patient’s respiratory health. This article will provide a ...