Abbreviation
|
Interpretation
|
| R | right |
| RA | rheumatoid arthritis or right atrium |
| RAD | right atrial axis deviation |
| RAE | right atrial enlargement |
| RAP | right atrial pressure |
| RBBB | right bundle branch block |
| RBC | red blood cell |
| RBP | retinol-binding protein |
| RDA | recommended daily allowance |
| RDW | red cell distribution width |
| RIA | radioimmunoassay |
| RIH | right inguinal hernia |
| RLL | right lower lobe |
| RLQ | right lower quadrant |
| RML | right middle lobe |
| RNA | ribonucleic acid |
| R/O | rule out |
| ROM | range of motion |
| ROS | review of systems |
| RPG | retrograde pyelogram |
| RRR | regular rate and rhythm |
| RT | respiratory or radiation therapy |
| RTA | renal tubular acidosis |
| RTC | return to clinic |
| RU | resin uptake |
| RUG | retrograde urethogram |
| RUL | right upper lobe |
| RUQ | right upper quadrant |
| RV | residual volume |
| RVH | right ventricular hyperthrophy |
| Rx | treatment |
