| P-R | the time between the P wave and the beginning of the QRS complex in electrocardiography [interval] |
|---|---|
| y | Greek letter psi; wave function |
| PWV | pulse wave velocity |
| QMI | Q-wave myocardial infarction |
| Q-T | in electrocardiography, the time from the beginning of the QRS complex to the end of the T wave [int... |