There are multiple definitions:

1. passenger location form(English)

   • COVID-19
   • Virology, Legal issues
   • https://centred…s-vos-questions

2. paradoxical low flow(English)

   • low stroke volume index <35 ml/m2 despite preserved ejection fraction is associated with adverse outcomes in patients with aortic stenosis undergoing transcatheter aortic valve replacement (TAVR) or surgical aortic valve replacement (SAVR). PLF appears to have less impact on outcomes in men
   • AVAi, LVEF, NF, PLF, SAVR, SVi, TAVR, AS, AVA
   • Cardiology, Surgery
   • https://doi.org…adv.2024.100853