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sinus node
Definition
Translation of "sinus node" in Chinese
Definition NEW
窦房结
Under normal conditions, the biologic clock responsible for determining heart rate is the sinus node.
在正常情况下，决定心率的生物钟是窦房结。
The sinus node can be considered to have an intrinsic heart rate which is then modulated by the autonomic nervous system.
窦房结可以被认为是有固有心率的，其心率通过植物神经系统调节。
Sick sinus can also be caused by scarring near the sinus node that's slowing, disrupting or blocking the travel of impulses.
病窦综合征也可能由窦房结附近的瘢痕组织引起，后者会减慢、干扰、或是阻断电冲动的传导。
The response to infusions of atropine and isoproterenol can also be used to evaluate sinus node function, the response to these agents normally being an increase in sinus rate.
对注射阿托品和异丙肾上腺素的反应也可用来评价窦房结的功能，正常情况下对这些药物的反应是加快窦性心率。
The term sinus arrest refers to total cessation of sinus node activity (due to complete sinoatrial block or loss of automaticity) and usually produces a prolonged period of atrial asystole or a change to an ectopic atrial rhythm, generally at a slower rate.
窦性静止是指窦房结活动完全停止（由完全性窦房阻滞或自律性丧失所致），通常产生长时间的心房收缩停止或转变成异位房性心律，其频率一般较慢。
The slowing of heart rate with aging probably reflects both anatomic maturation and, ultimately, aging of the sinus node, as well as changes in autonomic tone.
心率随年龄增长而减慢可能反映解剖上的成熟，而且到最后，不仅植物神经张力发生变化，就是窦房结也发生衰退。
The sinus node displays the phenomenon of overdrive suppression.
窦房结显示超速抑制现象。
Comparative studies between the sinus node and the atrioventricular node have revealed relatively few histological differences
对窦房结和房室结进行比较研究表明，它们
The term sick-sinus syndrome refers to a clinical syndrome in which sinus node dysfunction produces symptomatic bradyarrhythmia, including sinus bradycardia, sinoatrial block, and sinus arrest, either singly or in combination.
病窦是指窦房结功能障碍引起有症状缓慢性心律失常的一种临床综合征，包括窦性心动过缓、窦房阻滞和窦性静止，可单独发生或合并发生。
Under normal conditions, the biologic clock responsible for determining heart rate is the sinus node.
在正常情况下，决定心率的生物钟是窦房结。正常白细胞的排出率女性约为男性的4倍。
Reduced ejection fraction, sudden cardiac death, and heart failure death in the mode selection trial(MOST):implications for device selection in elderly patients with sinus node disease.
模式选择试验（MOST）中射血分数降低与心脏猝死及心力衰竭死亡：对患有窦房结疾病老年患者装置选择的意义
Determination of the patient's intrinsic heart rate after autonomic blockade with atropine and propranolol may also be useful in identifying individuals whose bradyarrhythmia is due to abnormal sinus node automaticity rather than autonomic imbalance.
用阿托品和心得安阻断植物神经以后确定病人的固有心率，也有助于确定缓慢性心律失常是由于窦房结自律性异常引起，而不是由于植物神经失衡引起。
Clinically significant sinus bradycardia is usually slower than 50 beats per minute and often is characterized by lack of response of the sinus node to interventions, such as atropine and exercise, which normally increase sinus rate.
临床上有意义的窦性心动过缓心率常＜50／min，常常以窦房结对阿托品和运动等干预缺乏反应为特征，阿托品和运动在正常情况下可加快窦性心率。
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