There is no need to do any special preparation for this test. However, if you are on oxygen therapy, oxygen values must be constant for 20 minutes before the test. If you are taking medication to make ...
We read with great interest the study by Huh et al. (1), in which the authors present an intriguing technological innovation: the two-level high-flow nasal cannula (Bi-HFNC), designed to alternate ...
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