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一位邻居得高血压15年了,近段日子起床后总觉得头昏,坐一会儿就好了,测血压也正常。后来去医院问医生头晕的原因,医生先让他躺着测血压,然后又让他站起来测血压,查出是体位性低血压。如果平卧位测量血压后,再站立测量,收缩压较平卧位时下降20毫米汞柱或
A neighbor has high blood pressure for 15 years, after getting up in recent days always feel dizzy, sitting for a while like, measuring blood pressure is also normal. Later, the doctor asked the hospital to dizziness reasons, the doctor let him lie down to measure blood pressure, and then let him stand up and measure blood pressure, found to be orthostatic hypotension. If the supine position after measuring blood pressure, then stand measurement, systolic blood pressure decreased 20 mm Hg than supine position or