There are multiple definitions:

1. lysine-ε-aminotransferase(English)

2. linker for the activation of T-cells(English)

3. left atrial thrombus(English)

   • AF, CA-AF, DRT, LA, LAA, LAAC, LAAT, LASEC, NVAF, OAC, SEC, TEE, LUPV
   • Cardiology, Risk factor, Thrombocyte /thrombosis
   • https://doi.org…acc.2021.06.052
   • https://doi.org…2872-018-0889-y

4. left atrial [macro-reentrant] tachycardia(English)

   • AF, CTI, MI
   • Cardiology, Electrophysiology, Pathology
   • https://doi.org…RCEP.111.964817

5. local activation time(English)

   • LGE, MRI, PH, RV, HF, LAT, NOS
   • Cardiology, Electrophysiology
   • https://doi.org…968-023-00989-y