There are multiple definitions:

1. bag-valve-mask [resuscitator](English)

   • Emergency medicine

2. breath volatile metabolite(English)

   • refers to noninvasive monitoring of fiber fermentation by analyzing breath volatile metabolites
   • CG, DF, SCFA, SIFT, SIFT-MS
   • Monitoring, Diet, Respiratory system
   • https://doi.org…76.2020.1862028