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直立倾斜试验(head-uptilt test,HUTT)是通过改变被检查者的体位(从平卧位改变至一定角度的倾斜位),再现其晕厥发作过程的一种检查方法。20世纪80年代末
A head-up test (HUTT) is a test that reproduces the onset of a syncope by changing the position of the subject (from a supine position to an inclined position). The late 1980s