| 单词 | qt interval |
| 释义 | QT intervalQT in·ter·valQT IntervalCardiac pacing The interval between the beginning of a paced QRS complex and the peak of the subsequent T wave–evoked QT in response to metabolic needs in a normal EKG; QT shortening signals a need for an ↑ in pacing rate. See Electrocardiogram. |
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