There are multiple definitions:

1. linear viscoelastic model(English)

   • LEM, NHM
   • Model(ing), Materials science

2. left ventricular ellipsoidal model(English)

   • characterized by its dimensions measured at end diastole: left ventricular (LV) internal diameter (LVID) and posterior wall thickness (PWT). LVM, LV wall mass. The relative wall thickness (RWT) is calculated as 2PWT/LVID
   • CCI, Ees, LVCI, LVEF, LVID, LVM, LVSCI, PWT, RWT, SBCI
   • Cardiology, Model(ing), Medical imaging
   • https://doi.org…ech.2005.08.002
   • https://doi.org…/jrms.jrms_4_21