| RAD | radial artery catheter; radiation absorbed dose; radical; radiography or radiographic; reactive airw... |
|---|---|
| RT(R)(ARRT) | Registered Technologist, Radiography certified by the American Registry of Radiologic Technologists)... |
| SP | sacroposterior; sacrum to pubis; salivary progesterone; schizotypal personality; semi-private [room]... |
| Spr | scan projection radiography |
| CEA | Carcino-Embryonic Antigen [HP 1825-6] ; Oncofetal Antigens ; Glycopro... |