| Acronym | Meaning |
| PNS | Peripheral Nervous System |
| IPPV | Intermittent Positive Pressure Ventilation |
| PI | Present Illness |
| PSA | Prostate Specific Antigen |
| CAPD | Continuous Ambulatory Peritoneal Dialysis |
| ARDS | Acute Respiratory Distress Syndrome |
| ER | Emergency Room |
| GU | Genito-Urinary |
| RAI | Radioactive Iodine |
| URI | URinary Incontinence |