| CVOD | cerebrovascular obstructive disease |
|---|---|
| DOPS | diffuse obstructive pulmonary syndrome; dihydroxyphenylserine |
| EOJ | extrahepatic obstructive jaundice |
| HOCM | high-osmolar contrast medium; hypertrophic obstructive cardiomyopathy |
| OAD | obstructive airway disease; organic anionic dye |