There are multiple definitions:

1. negative inspiratory force(English)

   • ICU, RSBI, SBT
   • Respiratory system
   • https://doi.org…06967-3.00013-2

2. near-infrared fluorescence(English)

   • refers to video-assisted thoracoscopic surgery for pulmonary arteriovenous malformation
   • ICG, PAVM, VATS
   • Fluorescence, Surgery
   • https://doi.org…019-023-02351-w