LDL
low density lipoprotein
LFT
liver function test
LLE
left lower extremity
LLL
left lower lobe
LLQ
left lower quadrant
LMA
laryngeal mask airway
LMP
last menstrual period
LNMP
last normal menstrual period
LOS
length of stay
LP
lumbar puncture
LUE
left upper extremity
LUL
left upper lobe
LUQ
left upper quadrant
LVAD
left ventricular assist device
LVH
left ventricular hypertrophy