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病窦综合征(SSS)的心电图表现包括:(1)显著的窦性心动过缓;(2)心动过缓与室上性心动过速交替出现的快-慢综合征,罕有室性过速;(3)窦房结暂停,缺少房性或交界性逸搏心律;(4)窦房阻滞。然而,亚临床型或间歇发作者,还需附加其他的测试方法。这些方法可分为: 一、窦房结自律性试验: 1.激发试验: (1)运动负荷试验 (2)药物负荷试验(阿托品、异丙肾上腺素) 2.超速抑制试验窦房结恢复时间(SNRT) 3.自主的自律性: 随身携带的ECG监护
Electrocardiographic manifestations of sick sinus syndrome (SSS) include: (1) significant sinus bradycardia; (2) rapid-slow syndrome in which bradycardia alternates with supraventricular tachycardia, and rare ventricular tachycardia ; (3) sinus node pause, lack of atrial or borderline escape rhythm; (4) sinoatrial block. However, other subclinical or intermittent seizures require additional testing. These methods can be divided into: First, sinus node self-regulatory test: 1. Excitation test: (1) exercise stress test (2) drug load test (atropine, isoproterenol) 2. Overspeed inhibition test sinus node recovery time (SNRT) 3. Autonomy of self-discipline: carry ECG monitoring