| MVV | maximal voluntary ventilation |
|---|---|
| NIPPV | noninvasive positive pressure ventilation |
| NPV | negative predictive value; pressure value; negative pressure ventilation; net present value; nuclear... |
| PC-IRV | pressure-controlled inverted ratio ventilation |
| PLV | partial liquid ventilation; poliomyelitis live vaccine; panleukopenia virus; phenylalanine, lysine, ... |