| RDT | retinal damage threshold; routine dialysis therapy |
|---|---|
| RVAD | right ventricular assist device |
| SDT | sensory detection theory; right sacrotransverse [fetal position] [Lat. sacrodextra transversa]; sign... |
| SMDC | sodium-N-methyl dithiocarbamate; standards for medical device communication |
| SMMD | specimen mass measurement device |