That’s normal. The gas coming out of the cannula is only a bit above atmospheric pressure. It’s very difficult to feel the gas flow. You can test for gas flow by dipping the nasal piece of the cannula into water and watching for bubbles to come out.
That’s normal. The gas coming out of the cannula is only a bit above atmospheric pressure. It’s very difficult to feel the gas flow. You can test for gas flow by dipping the nasal piece of the cannula into water and watching for bubbles to come out.