| IRV | inferior radicular vein; inspiratory reserve volume; inverse ratio ventilation |
|---|---|
| IVC | inferior vena cava; inspiratory vital capacity; integrated vector control; intravascular coagulation... |
| MIF | macrophage inhibitory factor; melanocyte[-stimulating hormone]-inhibiting factor; maximum inspirator... |
| MIFR | maximal inspiratory flow rate |
| NIF | negative inspiratory force; neutrophil immobilizing factor; nonintestinal fibroblast |