| Q-T | in electrocardiography, the time from the beginning of the QRS complex to the end of the T wave [int... |
|---|---|
| R' | in electrocardiography, the second positive deflection during the QRS complex |
| RCC | radiological control center; rape crisis center; ratio of cost to charges; receptor-chemoeffector co... |
| ROCF | Rey-Osterrieth Complex Figure |
| rSr | an electrocardiographic complex |