paced QRS duration 起搏QRS时限
prolonged qrs duration qrs持续时间延长
a normal QRS duration QRS间期正常
electrocardiographic QRS duration 心电图QRS间期
qrs wave duration qrs波时限
qrs complex duration qrs波时限
duration of qrs complex qrs波宽
Only 105 (3.6%) patients who presented with a prolonged QRS duration at baseline had a normal QRS duration on their last electrocardiogram before hospital discharge.
只有105名（3.6％）QRS时限延长的患者在出院前的最后一次心电图检查QRS时限恢复正常。
Objective To investigative the correlations between QRS duration(QRSD) and heart function and 6-minute walk test(6-MWT)in elderly patients with chronic heart failure(CHF).
目的探讨老年慢性心力衰竭（心衰，CHF）患者QRS时限（QRSD）与心功能、运动耐量相关性。
Chongqing Medical University, Chongqing Objective To investigate effects of contrast medium injection on QRS duration and frontal plane QRS axis during coronary angiography.
目的探讨冠心病患者冠状动脉造影剂注射对心电图QRS时间及QRS额面电轴的影响。
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