| RSA | rabbit serum albumin; regular spiking activity; relative specific activity; relative standard accura... |
|---|---|
| RT | radiologic technologist; radiotelemetry; radiotherapy; radium therapy; rapid tranquilization; reacti... |
| RVA | re-entrant ventricular arrhythmia; right ventricle activation; right vertebral artery |
| RVEF | right ventricular ejection fraction; right ventricular end-flow |
| RVF | renal vascular failure; Rift Valley fever; right ventricular failure; right visual field |