腕式血压监测仪的准确度如何？
回答 Francisco Lopez-Jimenez 博士
如果严格按照说明使用，并比对在诊所的测量结果进行检查，有些腕式血压监测仪或许能提供准确的结果。为获得最可靠的血压测量结果，美国心脏协会建议尽量选择带包裹上臂的袖带的监测仪。
一些手臂尺寸较大的人可能无法找到在家中使用的合适袖带。在这种情况下，可以测量手腕处的血压。对于已切除腋窝淋巴结的人群，腕式血压监测仪可能也是一个选项。
在家中使用腕式血压监测仪时，常会由于放置不当而获得错误的偏高读数。使用这种监测仪时，请将其直接放置于手腕动脉（即桡动脉）上，也就是您能感觉到脉搏的位置。请勿隔着衣服测量。保持手腕与心脏齐平。检测期间请保持不动，也不要弯曲手腕。弯曲手腕可能导致读数错误。
无论是用任何类型的监测仪，在家中测得的血压读数往往与在医务人员诊室测得的血压读数不同。如果您有腕式血压监测仪，请将设备带至医务人员诊室。您的医护团队可以比较您手臂和手腕的血压，确认您的设备工作正常。
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Francisco Lopez-Jimenez 博士
显示参考文献
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Original article: https://www.mayoclinic.org/zh-hans/diseases-conditions/high-blood-pressure/expert-answers/wrist-blood-pressure-monitors/faq-20057802