| NIHS | National Institute of Hypertension Studies |
|---|---|
| RRN | returning [for advanced studies] registered nurse |
| SNCS | sensory nerve conduction studies |
| SOLVD | studies of left ventricular dysfunction |
| AAA | abdominal aortic aneurysm/aneurysmectomy; acne-associated arthritis; acquired aplastic anemia; acute... |