| EKG | electrocardiogram, electrocardiography |
|---|---|
| HRE | hepatic reticuloendothelial [cell]; high-resolution electrocardiography; hormone receptor enzyme |
| LT-ECG | long-term electrocardiography |
| P-R | the time between the P wave and the beginning of the QRS complex in electrocardiography [interval] |
| Q-T | in electrocardiography, the time from the beginning of the QRS complex to the end of the T wave [int... |