There are multiple definitions:

1. quality control(English)

   • ASQ, OOS, QA
   • Quality and outcomes

2. quantal content(English)

   • EPSC, RGC

3. quantitative capnometry(English)

   • in differentiating between cardiac and respiratory causes of acute dyspnea in pre-hospital emergency setting, NT-proBNP in combination with capnometry and clinical assessment was superior to NT-proBNP alone or NT-proBNP in combination with clinical assessment
   • HF, NT-proBNP
   • Pulmonology, Emergency medicine
   • https://doi.org…cmj.2009.50.133