复发性晕厥是临床内科医生最常遇见且具挑战意味的问题之一.据估计它占美国每年住院病人总数的1/6,急诊病人的1/3.然而,有40%以上的患者,虽经大量广泛的检查,仍找不到其晕厥反复发作的原因.传统的检测方法(包括脑电图、Holter监测、颅脑CT和糖耐量试验)通常提供很少的线索,且价格昂贵.一个晕厥患者的检查,平均要花2,600美 Recurrent syncope is one of the most commonly encountered and challenging clinical physician problems, it is estimated that it accounts for 1/6 of the total annual number of hospitalizations in the United States, and 1/3 of emergency patients. However, more than 40% of patients Reasons for repeated episodes of syncope can not be found after a large and extensive examination, and traditional detection methods (including EEG, Holter monitoring, brain CT, and glucose tolerance tests) usually provide little clues and are expensive The examination of patients with syncope averaged 2,600 U.S. dollars