| 释义 |
QRB interval QRB in·ter·valthe time between the onset of the Q wave of the QRS complex and the right bundle-branch potential (normally 15-20 msec).QRB in·ter·val (in'tĕr-văl) The time between the onset of the Q wave of the QRS complex and the right bundle-branch potential (normally 15-20 msec) on an electrocardiogram. |