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,The Changes of Baroreflex Sensitivity During Head -up Tilt Test and Its Clinical Significance in th
Objective To study the changes of baroreflex sensitivity (BRS) during head -up tilt test (HUT) in patients with vaso......
目的:观察起搏前后心电图参比点电位的变化及其规律。方法:同步记录永久性起搏器植入术患者右室起搏与非起搏时头胸导联和常规导联2......