| 释义 |
PR interval PR in·ter·valin the electrocardiogram, the time elapsing between the beginning of the P wave and the beginning of the next QRS complex; it corresponds to the a-c interval of the venous pulse and is normally 0.12-0.20 sec. Synonym(s): PQ intervalPR in·ter·val (in'tĕr-văl) In the electrocardiogram, the time elapsing between the beginning of the P wave and the beginning of the next QRS complex; it corresponds to the a-c interval of the venous pulse and is normally 0.12-0.20 sec.
Synonym(s): PQ interval. |