The Benefits of CPAP in Prehospital Care You’ve got a patient gasping for air, accessory muscles working overtime, O2 saturation slipping... and there it is, your chance to shine with CPAP. CPAP isn't just a BLS buzzword, it’s one of the most powerful non-invasive tools we have in the field. What Does CPAP Actually Do? CPAP delivers a constant stream of positive pressure throughout the respiratory cycle, keeping the alveoli open, improving gas exchange, and reducing the work of breathing. Here’s