| ORN | operating room nurse; orthopedic nurse |
|---|---|
| PN | papillary necrosis; parenteral nutrition; penicillin; perceived noise; percussion note; periarteriti... |
| VN | vesical neck; vestibular nucleus; virus neutralization; visceral nucleus; visiting nurse; vitronecti... |
| AASP | acute atrophic spinal paralysis; American Association of Senior Physicians; ascending aorta synchron... |
| RSVP | retired senior volunteer program |