There are multiple definitions:

1. TIMI myocardial perfusion grade(English)

   • TIMI
   • Cardiology

2. transmitral mean pressure gradient(English)

   • defines a significant mitral stenosis when ≥5 mmHg
   • MR, TEER
   • Cardiology, Pathology, Surgery
   • https://doi.org…IONS.124.014843