There was first-degree AV block in 5 patients (2.7%) documented by electrocardiogram and in 9 patients(7.6%) revealed during Holter monitoring.

一度房室阻滞经心电图证实为5例（2.7%），经动态心电图监测为9例（7.6%）。

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The total number of complication was 72 cases, in which complete AV block and cardiac tamponade accounted for 31.9% (23/72) and 26.4% (19/72) respectively.

并发症共发生72例，其中最多的为完全性房室传导阻滞23例（31。 9% ）和心包填塞19例（26 .4% ）。

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RESULTS astemizole could slower the heart rate of mice, prolong P-R and Q-T interphase, even arise the complete AV block and sinus beat stop with the dose increase.

结果阿司咪唑使多数小鼠心率减慢，P R间期和Q T间期延长，随剂量增加，甚至可引起完全性房室传导阻滞和窦性停搏。

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In AV block , dual chamber pacemakers also get a class I indication.

FORBES: Overview of the New HRS/ACCF Pacemaker Guidelines

Single lead VDD pacing in those with intact sinus node function (i.e. a young patient with congenital AV block) gets a class IIa indication.

FORBES: Overview of the New HRS/ACCF Pacemaker Guidelines