| LBP | lipopolysaccharide-binding protein; low back pain; low blood pressure; lumbar back pain |
|---|---|
| LBS | low back syndrome; lumbar back strain |
| PERRLA | pupils equal, round, and reactive to light and accommodation |
| PRRE | pupils round, regular, and equal |
| RRE, RR&E | round, regular, and equal [pupils] |