There are multiple definitions:

1. multiple-instance learning(English)

   • CAD, SVM
   • Machine learning

2. meaning in life(English)

   • COVID-19, EMA
   • Social aspects, Psychology
   • https://doi.org…24.2021.2016140

3. mitral isthmus line(English)

   • may refer to ablation, as the mitral isthmus is a critical part of perimitral reentrant tachycardia
   • AF, LA, LAVI, LAAW, LLMI
   • Cardiology, Anatomy, Therapeutic approaches
   • https://doi.org…RCEP.117.005191

4. mid-inferolateral [wall](English)

   • MYL2, MYH7, MYBPC3, NSVT, PAF, PVAR, RWT, TNNI3, TNNT2, TPM1, Vp, VT, ACTC1, ACTN2, AF, ARB, Ca2+, CAD, CKD, COPD, CSRP3, GCS, GLS, GRS, HCM, LVEF, LVESV, LVH, LVOT, MIS, MRA
   • Cardiology, Anatomy, Medical imaging
   • https://doi.org…CGEN.124.004806