| RN | radionuclide; red nucleus; Registered Nurse; registry number; residual nitrogen; reticular nucleus |
|---|---|
| RNA | radionuclide angiography; Registered Nurse Anesthetist; ribonucleic acid; rough, noncapsulated, avir... |
| RND | radical neck dissection; radionuclide dacryography; reactive neurotic depression |
| RNSC | radionuclide superior cavography |
| RNV | radionuclide venography |
| RNVG | radionuclide ventriculography |
|---|---|
| RVG | radionuclide ventriculography |