| SIQ | Symptom Interpretation Questionnaire |
|---|---|
| ISIS | image selected in vivo spectroscopy; imaging science and information system; information system-imag... |
| RAD | radial artery catheter; radiation absorbed dose; radical; radiography or radiographic; reactive airw... |
| RBI | radiographic baseline |
| RCM | radial contour model; radiographic contrast medium; red cell mass; reinforced clostridial medium; re... |