There are multiple definitions:

1. left anterior descending(English)

   • coronary artery
   • LCX, RCA
   • Coronary circulation, Medical imaging

2. Language Acquisition Device(English)

   • Speaking / language disorders

3. Landelijke vereniging van Artsen in Dienstverband(Dutch)

   • AMS, FBZ, OMS
   • Organizations (clinical)
   • https://www.lad.nl/

4. left axis deviation(English)

   • LAFB, ECG
   • Cardiology, Electrophysiology, Pathology
   • https://doi.org…-3774-3.X1000-3

5. lymphadenopathy(English)

   • palpable enlargement (> 1 cm) of one or more lymph nodes, and categorized as localized (when present in only 1 body area) or generalized (when present in more body areas. Lymphadenitis is lymphadenopathy with pain and/or signs of inflammation (eg, redness, tenderness)
   • CBC
   • Physical examination
   • https://www.msd…lymphadenopathy

6. leukocyte adhesion deficiency(English)

   • a combined B cell and cellular (T cell) immunodeficiency disorder, with a defect of cellular adhesion molecules resulting in abnormal inflammatory response and eventually recurrent bacterial infections
   • Immunology
   • https://www.ncb…ooks/NBK539770/

7. left atrial [anteroposterior] diameter / dimension(English)

   • is independently associated with prevalent brain infarcts, particularly nonlacunar infarcts, but not leukoaraiosis. Cutoff value at 42 mm for adult
   • LA, RAD, AP, ESUS, LAVI, MRI, CPAF, PAF, PFO, SEC, TEE, TTE, AF, ESD, LVESD
   • Cardiology, Medical imaging, Cerebrovascular event
   • https://doi.org…GING.108.826602
   • https://doi.org…LURE.117.004133
   • https://doi.org…000000000006228
   • https://doi.org….1159/000502713
   • https://doi.org….1111/jce.13115