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1925年Bradlury等曾报告3例特发性直立性低血压,并将共主要临床表现总结为:①直立时收缩期及舒张期血压均明显下降;②血压下降时脉搏数不变;③汗明显减少;④有轻微的神经系统改变。1960年Shy-
Bradlury et al. Reported 3 cases of idiopathic orthostatic hypotension in 1925 and summarized the main clinical manifestations as follows: (1) systolic and diastolic blood pressure were significantly decreased in erection; (2) the pulse rate was unchanged; Reduce; ④ slight nervous system changes. 1960 Shy-