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目的采用CNAP每搏/即时/连续无创血压监测系统对心内科住院患者进行体位性低血压的筛查。方法随机抽取95例患者，应用CNAP系统监测患者于卧位及由卧位变为立位瞬间的血压。结果95例被测患者中有32例为体位性低血压患者，占被测人群的34%。结论 CNAP在筛查体位性低血压的应用中具有精简、无创、便捷等测量优势，协助医师对于不明原因头晕或晕厥原因待查患者做出诊断，并能减少意外伤害事件的发生，具有很高的临床应用价值。“,”Objective To screen the patients who had Orthostatic Hypotension with CANP in Cardiology department. Methods Select 95 patients on random and use CNAP to monitor the blood pressure when lying position and the instantaneous blood pressure when turning to standing position. Results There were 32 patients who had Orthostatic Hypotension in the 95 cases and accounted for 34%. Conclusion CNAP was simple, noninvasive and convenient in application of screening the Orthostatic Hypotension and could assist the physician to make diagnosis for the patients with unexplained dizziness or syncope of unknown causes to reduce the accident events, and had very high value in clinical application.