| RF | 1) Renal Failure 2) Rheumatic Fever ? Rheumatic Fever ... |
|---|---|
| RFI | Renal Failure Index Urine Na &nb... |
| AFORMED | alternating failure of response, mechanical, [to] electrical depolarization |
| AHRF | acute hypoxemic respiratory failure; American Hearing Research Foundation |
| ALF | acute liver failure; American Liver Foundation; assisted living facilities |