The delivery of positive-pressure–ventilator support without an endotracheal tube was first studied in the 1930s. 1 Now known as noninvasive positive-pressure ventilation (NPPV), it can be used to ...
A ventilator is a machine that helps you breathe or takes breaths for you. It can be a lifesaver if you have a health condition that causes you to struggle to get air. You may know about the type of ...