窦房结功能测定是诊断病窦的有效指标已被广泛应用。为了探讨健康体检中无症状或症状不典型窦性心动过缓病人的临床意义和病窦检出率,我们应用经食管心房调搏对一组病例进行研究。本组病例均经全面体检、病史询问、血、尿常规化验、血脂、肝功能、X光及心电图检查,共4,363人,其中心电图示窦 Sinus node function measurement is an effective indicator of the diagnosis of sick sinus has been widely used. In order to explore the clinical significance of asymptomatic or atypical sinus bradycardia in a healthy physical examination and the detection rate of sick sinus, we conducted a series of studies using transesophageal atrial pacing. This group of patients by a comprehensive physical examination, medical history, blood, urine routine tests, blood lipids, liver function, X-ray and electrocardiogram examination, a total of 4,363 people, of which the ECG sinus