| Acronym | Meaning |
| PNS | Peripheral Nervous System |
| GDM | Gestational Diabetes Melitus |
| RAI | Radioactive Iodine |
| CVA | Cerebral Vascular Accident |
| SAB | Spontaneous Abortion |
| MRI | Magnetic Resonance Imaging |
| CID | Cervical Immobilization Device |
| BAC | Blood Alcohol Content |
| RSR | Regular Sinus Rhythym |
| IABP | Intra-Aortic Balloon Pump |