| NSR | nasal septal reconstruction; nonspecific reaction; normal sinus rhythm; no sign of recurrence; not s... |
|---|---|
| NSSTT | nonspecific ST and T [wave] |
| NSU | neurosurgical unit; nonspecific urethritis |
| NSV | nonspecific vaginitis/vaginosis |
| NUC | nonspecific ulcerative colitis; sodium urate crystal |