There are multiple definitions:

1. effective arterial elastance(English)

   • defined as the ratio of end-systolic pressure and stroke volume
   • TAC, VAC, Emax, Eadyn, ESP, SV, SVR
   • Hemodynamics, Ratio-based metric
   • https://doi.org…dvan.00140.2017

2. eerstaanwezend(Belgian Dutch)

   • Specialist / expert, Legal issues

3. mitral early diastolic velocity(English)

   • expressed as cm/s
   • E/E'sr
   • Cardiology, Biomarker
   • https://doi.org…ard.2008.01.037