| DDU | dermo-distortive urticaria; duplex Doppler ultrasound |
|---|---|
| DS | dead air space; dead space; deep sedative; deep sleep; defined substrate; dehydroepiandrosterone sul... |
| DSCF | Doppler-shifted constant frequency |
| DTI | dipyridamole-thallium imaging; Doppler tissue imaging |
| DTIA | Doppler tissue imaging acceleration |