| RTU | real-time ultrasonography; relative time unit; renal transplantation unit |
|---|---|
| RVD | relative vertebral density; right ventricular dysplasia |
| RVI | relative value index; right ventricle infarction |
| RVS | rectovaginal space; relative value scale/study; reported visual sensation; retrovaginal space |
| RVU | relative value unit |