"This jagged bar trend is kinda lame. I just don’t like the way they look, but I’m sure they have some benefits for vision," one person said of his helmet. "F7s look good on some and bad on ...

Therefore, if a patient presents with dyspnoea, one can assume a relevant impairment of respiratory function and the necessity of NPPV. However, the absence of dyspnoea does not rule out a relevant ...