| LAESV | left atrial volume in end systole |
|---|---|
| LAF | laminar air flow; Latin American female; leukocyte-activating factor; lymphocyte-activating factor |
| LAFB | left anterior fascicular block |
| LAFR | laminar air flow room |
| LAFU | laminar air flow unit |
| LAG | labiogingival; leukocyte antigen group; linguo-axiogingival; lymphangiogram; lymphocyte activation gene |
| LaG | labiogingival |
| LAH | Left Atrial Hypertrophy |
| LAH | lactalbumin hydrolysate; left anterior hemiblock; left atrial hypertrophy; Licentiate of Apothecaries Hall; lithium, aluminum, hydroxide |
| LAHB | left anterior hemiblock |