| RVDO | right ventricular diastolic overload |
|---|---|
| RVVO | right ventricular volume overload |
| VO | verbal order; volume overload; voluntary opening |
| AF | abnormal frequency; acid-fast; adult female; afebrile; aflatoxin; albumin-free; albumose-free; aldeh... |
| FF | degree of fineness of abrasive particles; fat-free; father factor; fecal frequency; fertility factor... |