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首页> 外文期刊>PACE: Pacing and clinical electrophysiology >Grouped beats: What's the mechanism?
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Grouped beats: What's the mechanism?

机译:分组节拍:机制是什么?

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A 74-year-old patient with prior history of hypertension attended the clinic for his routine check-up. He was treated with ramipril 5 mg/day and hydrochlorothiazide 25 mg/day. A surface 12-lead electrocardiogram (ECG) showed grouped beats with the first beat of sinus origin conducted with left bundle branch block (LBBB) and QRS duration of 170 ms and a second narrow complex beat also originated in the sinus node (Fig. 1 Panel A). The P-P interval between the two beats was 1,037 ms. The pause after the narrow beat measured 2,044 ms. The PR interval of the beats with LBBB was 178 ms while the PR interval of the narrow beats was 237 ms. All intervals remained constant during this recording.
机译:一位有高血压病史的74岁患者在诊所接受了例行检查。他接受雷米普利5毫克/天和氢氯噻嗪25毫克/天的治疗。表面12导联心电图(ECG)显示成组的搏动,其中窦性起源的第一个搏动以左束支传导阻滞(LBBB)和QRS持续时间为170 ms进行,第二个狭窄的复杂搏动也起源于窦房结(图1图A)。两个心跳之间的P-P间隔为1,037毫秒。窄拍后的暂停时间为2,044毫秒。 LBBB拍的PR间隔为178 ms,而窄拍的PR间隔为237 ms。在此记录期间,所有间隔均保持不变。

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