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目的探讨直立倾斜试验在不明原因晕厥患者中筛查血管迷走性晕厥的价值。方法对52例不明原因晕厥患者进行直立倾斜试验,严密观察其血压、心率的变化。结果52例患者中阳性30例,占57.7%;基础倾斜试验阳性5例,异丙肾上腺素激发倾斜试验阳性25例;其中,心脏抑制型5例(16.7%),血管抑制型8例(26.6%),混合型17例(56.7%)。结论直立倾斜试验能简捷、有效地把血管迷走性晕厥从不明原因晕厥患者中筛查出来,明确诊断,值得临床推广应用。
Objective To investigate the value of vertical tilt test in screening for vasovagal syncope in unexplained syncope. Methods 52 cases of unexplained syncope in patients with upright tilt test, closely observe the changes in blood pressure, heart rate. Results Among the 52 patients, 30 were positive (57.7%), 5 were positive basal tilt test and 25 were isoproterenol-induced tilt test. Among them, 5 were cardiac suppressor (16.7%) and 8 were vascularized suppressor %), Mixed type in 17 cases (56.7%). Conclusion Upright tilt test can be simple and effective, vasovagal syncope in patients with unexplained syncope was screened out, a clear diagnosis, worthy of clinical application.