| LCO | low cardiac output |
|---|---|
| LCOS | low cardiac output syndrome |
| LLBCD | left lower border of cardiac dullness |
| LOS | length of stay; Licentiate in Obstetrical Science; lipo-oligosaccharide; low cardiac output syndrome... |
| MCI | mean cardiac index; methicillin; mucociliary insufficiency; muscle contraction interference |