减慢心率药
Sinus bradycardia occurs when the heart rate falls below 60. 窦性心动过缓是心率低于60次。
Is sinus bradycardia a factor facilitating overt heart failure? （窦性心动过缓是个利于明显心衰发生的因子？）
When the heart beats too slowly, it is called bradycardia. 当心脏跳动太慢，它被称为心搏过缓。
Result:There were 50 patients with bradycardic dysfunction of sinoatrial node. 结果:发生缓慢性窦房结功能紊乱者共50例,其中窦性心动过缓36例(13。
Bradycardia, if persistent, should be controlled by the insertion of a pacemaker as soon as possible. 如果持续出现心动过缓，应尽快使用起搏器。
Additional complications include bradycardia, laryngospasm, bronchospasm, and apnea owing to pharyngeal stimulation. 其它并发症包括因为咽部刺激导致的心动过缓、喉痉挛、支气管痉挛和呼吸暂停。
